Home / 15,665,421.10-23,498,131.65-14,319,103.90

Finding the Fourth Proportional to 15,665,421.10, 23,498,131.65 and 14,319,103.90

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Solution

The fourth proportional to 15,665,421.10, 23,498,131.65 and 14,319,103.90 is: 21,478,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665,421.10 : 23,498,131.65 = 14,319,103.90 : x
  2. Step 2: Convert to fraction form
    15,665,421.10/23,498,131.65 = 14,319,103.90/x
  3. Step 3: Cross multiply
    15,665,421.10x = 23,498,131.65 × 14,319,103.90
  4. Step 4: Simplify right side
    15,665,421.10x = 336,472,188,552,228.44
  5. Step 5: Solve for x
    x = 336,472,188,552,228.44/15,665,421.10
  6. Step 6: Final answer
    x = 21,478,655.85

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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.