Home / 10,543,545.60-15,815,318.40-6,288,518.40

Finding the Fourth Proportional to 10,543,545.60, 15,815,318.40 and 6,288,518.40

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Solution

The fourth proportional to 10,543,545.60, 15,815,318.40 and 6,288,518.40 is: 9,432,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543,545.60 : 15,815,318.40 = 6,288,518.40 : x
  2. Step 2: Convert to fraction form
    10,543,545.60/15,815,318.40 = 6,288,518.40/x
  3. Step 3: Cross multiply
    10,543,545.60x = 15,815,318.40 × 6,288,518.40
  4. Step 4: Simplify right side
    10,543,545.60x = 99,454,920,760,258.56
  5. Step 5: Solve for x
    x = 99,454,920,760,258.56/10,543,545.60
  6. Step 6: Final answer
    x = 9,432,777.60

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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.