Home / 39,731,686.90-59,635,584.15-20,576,191.30

Finding the Fourth Proportional to 39,731,686.90, 59,635,584.15 and 20,576,191.30

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Solution

The fourth proportional to 39,731,686.90, 59,635,584.15 and 20,576,191.30 is: 30,883,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,731,686.90 : 59,635,584.15 = 20,576,191.30 : x
  2. Step 2: Convert to fraction form
    39,731,686.90/59,635,584.15 = 20,576,191.30/x
  3. Step 3: Cross multiply
    39,731,686.90x = 59,635,584.15 × 20,576,191.30
  4. Step 4: Simplify right side
    39,731,686.90x = 1,227,073,187,757,648
  5. Step 5: Solve for x
    x = 1,227,073,187,757,648/39,731,686.90
  6. Step 6: Final answer
    x = 30,883,994.20

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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.