Home / 15,172,407.40-22,758,611.10-13,418,652.10

Finding the Fourth Proportional to 15,172,407.40, 22,758,611.10 and 13,418,652.10

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Solution

The fourth proportional to 15,172,407.40, 22,758,611.10 and 13,418,652.10 is: 20,127,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,407.40 : 22,758,611.10 = 13,418,652.10 : x
  2. Step 2: Convert to fraction form
    15,172,407.40/22,758,611.10 = 13,418,652.10/x
  3. Step 3: Cross multiply
    15,172,407.40x = 22,758,611.10 × 13,418,652.10
  4. Step 4: Simplify right side
    15,172,407.40x = 305,389,884,630,098.31
  5. Step 5: Solve for x
    x = 305,389,884,630,098.31/15,172,407.40
  6. Step 6: Final answer
    x = 20,127,978.15

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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.