Home / 38,842,106.91-53,598,291.28-21,437,331.13

Finding the Fourth Proportional to 38,842,106.91, 53,598,291.28 and 21,437,331.13

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Solution

The fourth proportional to 38,842,106.91, 53,598,291.28 and 21,437,331.13 is: 29,581,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842,106.91 : 53,598,291.28 = 21,437,331.13 : x
  2. Step 2: Convert to fraction form
    38,842,106.91/53,598,291.28 = 21,437,331.13/x
  3. Step 3: Cross multiply
    38,842,106.91x = 53,598,291.28 × 21,437,331.13
  4. Step 4: Simplify right side
    38,842,106.91x = 1,149,004,318,171,551.50
  5. Step 5: Solve for x
    x = 1,149,004,318,171,551.50/38,842,106.91
  6. Step 6: Final answer
    x = 29,581,410.73

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Double scale
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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.