Home / 15,561,930.30-23,369,139.45-13,000,515.90

Finding the Fourth Proportional to 15,561,930.30, 23,369,139.45 and 13,000,515.90

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Solution

The fourth proportional to 15,561,930.30, 23,369,139.45 and 13,000,515.90 is: 19,522,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561,930.30 : 23,369,139.45 = 13,000,515.90 : x
  2. Step 2: Convert to fraction form
    15,561,930.30/23,369,139.45 = 13,000,515.90/x
  3. Step 3: Cross multiply
    15,561,930.30x = 23,369,139.45 × 13,000,515.90
  4. Step 4: Simplify right side
    15,561,930.30x = 303,810,868,989,042.25
  5. Step 5: Solve for x
    x = 303,810,868,989,042.25/15,561,930.30
  6. Step 6: Final answer
    x = 19,522,698.22

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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.