Home / 9,248,001.30-13,872,001.95-8,128,257.30

Finding the Fourth Proportional to 9,248,001.30, 13,872,001.95 and 8,128,257.30

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Solution

The fourth proportional to 9,248,001.30, 13,872,001.95 and 8,128,257.30 is: 12,192,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248,001.30 : 13,872,001.95 = 8,128,257.30 : x
  2. Step 2: Convert to fraction form
    9,248,001.30/13,872,001.95 = 8,128,257.30/x
  3. Step 3: Cross multiply
    9,248,001.30x = 13,872,001.95 × 8,128,257.30
  4. Step 4: Simplify right side
    9,248,001.30x = 112,755,201,115,701.72
  5. Step 5: Solve for x
    x = 112,755,201,115,701.72/9,248,001.30
  6. Step 6: Final answer
    x = 12,192,385.95

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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.