Home / 10,780,545.60-16,170,818.40-8,371,346.40

Finding the Fourth Proportional to 10,780,545.60, 16,170,818.40 and 8,371,346.40

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Solution

The fourth proportional to 10,780,545.60, 16,170,818.40 and 8,371,346.40 is: 12,557,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,545.60 : 16,170,818.40 = 8,371,346.40 : x
  2. Step 2: Convert to fraction form
    10,780,545.60/16,170,818.40 = 8,371,346.40/x
  3. Step 3: Cross multiply
    10,780,545.60x = 16,170,818.40 × 8,371,346.40
  4. Step 4: Simplify right side
    10,780,545.60x = 135,371,522,397,893.77
  5. Step 5: Solve for x
    x = 135,371,522,397,893.77/10,780,545.60
  6. Step 6: Final answer
    x = 12,557,019.60

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1.5x scale

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.