Home / 8,541,439.70-12,812,159.55-7,981,567.70

Finding the Fourth Proportional to 8,541,439.70, 12,812,159.55 and 7,981,567.70

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Solution

The fourth proportional to 8,541,439.70, 12,812,159.55 and 7,981,567.70 is: 11,972,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,439.70 : 12,812,159.55 = 7,981,567.70 : x
  2. Step 2: Convert to fraction form
    8,541,439.70/12,812,159.55 = 7,981,567.70/x
  3. Step 3: Cross multiply
    8,541,439.70x = 12,812,159.55 × 7,981,567.70
  4. Step 4: Simplify right side
    8,541,439.70x = 102,261,118,831,526.55
  5. Step 5: Solve for x
    x = 102,261,118,831,526.55/8,541,439.70
  6. Step 6: Final answer
    x = 11,972,351.55

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Double scale
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Similar ratio
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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.