Home / 7,981,432.40-11,972,148.60-2,936,363.60

Finding the Fourth Proportional to 7,981,432.40, 11,972,148.60 and 2,936,363.60

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Solution

The fourth proportional to 7,981,432.40, 11,972,148.60 and 2,936,363.60 is: 4,404,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,432.40 : 11,972,148.60 = 2,936,363.60 : x
  2. Step 2: Convert to fraction form
    7,981,432.40/11,972,148.60 = 2,936,363.60/x
  3. Step 3: Cross multiply
    7,981,432.40x = 11,972,148.60 × 2,936,363.60
  4. Step 4: Simplify right side
    7,981,432.40x = 35,154,581,362,830.96
  5. Step 5: Solve for x
    x = 35,154,581,362,830.96/7,981,432.40
  6. Step 6: Final answer
    x = 4,404,545.40

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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.