Home / 27,462,645.20-41,193,967.80-21,104,987.60

Finding the Fourth Proportional to 27,462,645.20, 41,193,967.80 and 21,104,987.60

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Solution

The fourth proportional to 27,462,645.20, 41,193,967.80 and 21,104,987.60 is: 31,657,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,462,645.20 : 41,193,967.80 = 21,104,987.60 : x
  2. Step 2: Convert to fraction form
    27,462,645.20/41,193,967.80 = 21,104,987.60/x
  3. Step 3: Cross multiply
    27,462,645.20x = 41,193,967.80 × 21,104,987.60
  4. Step 4: Simplify right side
    27,462,645.20x = 869,398,179,613,799.25
  5. Step 5: Solve for x
    x = 869,398,179,613,799.25/27,462,645.20
  6. Step 6: Final answer
    x = 31,657,481.40

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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.