Home / 37,231,404.56-51,378,717-20,711,331.28

Finding the Fourth Proportional to 37,231,404.56, 51,378,717 and 20,711,331.28

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Solution

The fourth proportional to 37,231,404.56, 51,378,717 and 20,711,331.28 is: 28,581,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231,404.56 : 51,378,717 = 20,711,331.28 : x
  2. Step 2: Convert to fraction form
    37,231,404.56/51,378,717 = 20,711,331.28/x
  3. Step 3: Cross multiply
    37,231,404.56x = 51,378,717 × 20,711,331.28
  4. Step 4: Simplify right side
    37,231,404.56x = 1,064,121,628,528,367.88
  5. Step 5: Solve for x
    x = 1,064,121,628,528,367.88/37,231,404.56
  6. Step 6: Final answer
    x = 28,581,291.55

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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.