Home / 8,858,959.70-13,288,439.55-8,690,998.10

Finding the Fourth Proportional to 8,858,959.70, 13,288,439.55 and 8,690,998.10

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Solution

The fourth proportional to 8,858,959.70, 13,288,439.55 and 8,690,998.10 is: 13,036,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,959.70 : 13,288,439.55 = 8,690,998.10 : x
  2. Step 2: Convert to fraction form
    8,858,959.70/13,288,439.55 = 8,690,998.10/x
  3. Step 3: Cross multiply
    8,858,959.70x = 13,288,439.55 × 8,690,998.10
  4. Step 4: Simplify right side
    8,858,959.70x = 115,489,802,881,014.86
  5. Step 5: Solve for x
    x = 115,489,802,881,014.86/8,858,959.70
  6. Step 6: Final answer
    x = 13,036,497.15

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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.