Home / 16,128,471.20-24,192,706.80-9,745,930.40

Finding the Fourth Proportional to 16,128,471.20, 24,192,706.80 and 9,745,930.40

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Solution

The fourth proportional to 16,128,471.20, 24,192,706.80 and 9,745,930.40 is: 14,618,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,471.20 : 24,192,706.80 = 9,745,930.40 : x
  2. Step 2: Convert to fraction form
    16,128,471.20/24,192,706.80 = 9,745,930.40/x
  3. Step 3: Cross multiply
    16,128,471.20x = 24,192,706.80 × 9,745,930.40
  4. Step 4: Simplify right side
    16,128,471.20x = 235,780,436,660,406.75
  5. Step 5: Solve for x
    x = 235,780,436,660,406.75/16,128,471.20
  6. Step 6: Final answer
    x = 14,618,895.60

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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.