Home / 9,248,000.80-13,872,001.20-8,128,256.80

Finding the Fourth Proportional to 9,248,000.80, 13,872,001.20 and 8,128,256.80

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Solution

The fourth proportional to 9,248,000.80, 13,872,001.20 and 8,128,256.80 is: 12,192,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248,000.80 : 13,872,001.20 = 8,128,256.80 : x
  2. Step 2: Convert to fraction form
    9,248,000.80/13,872,001.20 = 8,128,256.80/x
  3. Step 3: Cross multiply
    9,248,000.80x = 13,872,001.20 × 8,128,256.80
  4. Step 4: Simplify right side
    9,248,000.80x = 112,755,188,083,508.16
  5. Step 5: Solve for x
    x = 112,755,188,083,508.16/9,248,000.80
  6. Step 6: Final answer
    x = 12,192,385.20

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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.