Home / 8,858,615.70-13,287,923.55-8,690,654.10

Finding the Fourth Proportional to 8,858,615.70, 13,287,923.55 and 8,690,654.10

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Solution

The fourth proportional to 8,858,615.70, 13,287,923.55 and 8,690,654.10 is: 13,035,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,615.70 : 13,287,923.55 = 8,690,654.10 : x
  2. Step 2: Convert to fraction form
    8,858,615.70/13,287,923.55 = 8,690,654.10/x
  3. Step 3: Cross multiply
    8,858,615.70x = 13,287,923.55 × 8,690,654.10
  4. Step 4: Simplify right side
    8,858,615.70x = 115,480,747,280,294.06
  5. Step 5: Solve for x
    x = 115,480,747,280,294.06/8,858,615.70
  6. Step 6: Final answer
    x = 13,035,981.15

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Double scale
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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.