Home / 38,638,998.80-57,958,498.20-18,483,606.80

Finding the Fourth Proportional to 38,638,998.80, 57,958,498.20 and 18,483,606.80

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Solution

The fourth proportional to 38,638,998.80, 57,958,498.20 and 18,483,606.80 is: 27,725,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638,998.80 : 57,958,498.20 = 18,483,606.80 : x
  2. Step 2: Convert to fraction form
    38,638,998.80/57,958,498.20 = 18,483,606.80/x
  3. Step 3: Cross multiply
    38,638,998.80x = 57,958,498.20 × 18,483,606.80
  4. Step 4: Simplify right side
    38,638,998.80x = 1,071,282,091,447,307.88
  5. Step 5: Solve for x
    x = 1,071,282,091,447,307.88/38,638,998.80
  6. Step 6: Final answer
    x = 27,725,410.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.