Home / 42,593,927.82-63,865,353.14-20,691,176.13

Finding the Fourth Proportional to 42,593,927.82, 63,865,353.14 and 20,691,176.13

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Solution

The fourth proportional to 42,593,927.82, 63,865,353.14 and 20,691,176.13 is: 31,024,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,593,927.82 : 63,865,353.14 = 20,691,176.13 : x
  2. Step 2: Convert to fraction form
    42,593,927.82/63,865,353.14 = 20,691,176.13/x
  3. Step 3: Cross multiply
    42,593,927.82x = 63,865,353.14 × 20,691,176.13
  4. Step 4: Simplify right side
    42,593,927.82x = 1,321,449,270,459,355.25
  5. Step 5: Solve for x
    x = 1,321,449,270,459,355.25/42,593,927.82
  6. Step 6: Final answer
    x = 31,024,358.12

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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.