Home / 16,128,417.20-24,192,625.80-9,745,876.40

Finding the Fourth Proportional to 16,128,417.20, 24,192,625.80 and 9,745,876.40

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Solution

The fourth proportional to 16,128,417.20, 24,192,625.80 and 9,745,876.40 is: 14,618,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,417.20 : 24,192,625.80 = 9,745,876.40 : x
  2. Step 2: Convert to fraction form
    16,128,417.20/24,192,625.80 = 9,745,876.40/x
  3. Step 3: Cross multiply
    16,128,417.20x = 24,192,625.80 × 9,745,876.40
  4. Step 4: Simplify right side
    16,128,417.20x = 235,778,340,838,251.12
  5. Step 5: Solve for x
    x = 235,778,340,838,251.12/16,128,417.20
  6. Step 6: Final answer
    x = 14,618,814.60

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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.