Home / 38,588,534.36-53,252,801.34-21,186,483.80

Finding the Fourth Proportional to 38,588,534.36, 53,252,801.34 and 21,186,483.80

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Solution

The fourth proportional to 38,588,534.36, 53,252,801.34 and 21,186,483.80 is: 29,237,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588,534.36 : 53,252,801.34 = 21,186,483.80 : x
  2. Step 2: Convert to fraction form
    38,588,534.36/53,252,801.34 = 21,186,483.80/x
  3. Step 3: Cross multiply
    38,588,534.36x = 53,252,801.34 × 21,186,483.80
  4. Step 4: Simplify right side
    38,588,534.36x = 1,128,239,612,894,528.50
  5. Step 5: Solve for x
    x = 1,128,239,612,894,528.50/38,588,534.36
  6. Step 6: Final answer
    x = 29,237,690.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.