Home / 15,957,685.80-23,939,891.55-5,174,145.90

Finding the Fourth Proportional to 15,957,685.80, 23,939,891.55 and 5,174,145.90

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Solution

The fourth proportional to 15,957,685.80, 23,939,891.55 and 5,174,145.90 is: 7,762,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957,685.80 : 23,939,891.55 = 5,174,145.90 : x
  2. Step 2: Convert to fraction form
    15,957,685.80/23,939,891.55 = 5,174,145.90/x
  3. Step 3: Cross multiply
    15,957,685.80x = 23,939,891.55 × 5,174,145.90
  4. Step 4: Simplify right side
    15,957,685.80x = 123,868,491,709,877.16
  5. Step 5: Solve for x
    x = 123,868,491,709,877.16/15,957,685.80
  6. Step 6: Final answer
    x = 7,762,309.23

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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.