Home / 8,902,817.20-13,354,225.80-8,371,376.20

Finding the Fourth Proportional to 8,902,817.20, 13,354,225.80 and 8,371,376.20

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Solution

The fourth proportional to 8,902,817.20, 13,354,225.80 and 8,371,376.20 is: 12,557,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,817.20 : 13,354,225.80 = 8,371,376.20 : x
  2. Step 2: Convert to fraction form
    8,902,817.20/13,354,225.80 = 8,371,376.20/x
  3. Step 3: Cross multiply
    8,902,817.20x = 13,354,225.80 × 8,371,376.20
  4. Step 4: Simplify right side
    8,902,817.20x = 111,793,248,031,545.97
  5. Step 5: Solve for x
    x = 111,793,248,031,545.97/8,902,817.20
  6. Step 6: Final answer
    x = 12,557,064.30

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Double scale
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Similar ratio
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1.5x scale

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.