Home / 8,304,368.80-12,456,553.20-5,158,640.80

Finding the Fourth Proportional to 8,304,368.80, 12,456,553.20 and 5,158,640.80

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Solution

The fourth proportional to 8,304,368.80, 12,456,553.20 and 5,158,640.80 is: 7,737,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,368.80 : 12,456,553.20 = 5,158,640.80 : x
  2. Step 2: Convert to fraction form
    8,304,368.80/12,456,553.20 = 5,158,640.80/x
  3. Step 3: Cross multiply
    8,304,368.80x = 12,456,553.20 × 5,158,640.80
  4. Step 4: Simplify right side
    8,304,368.80x = 64,258,883,564,890.55
  5. Step 5: Solve for x
    x = 64,258,883,564,890.55/8,304,368.80
  6. Step 6: Final answer
    x = 7,737,961.20

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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.