Home / 8,748,078.30-13,122,117.45-7,897,772.70

Finding the Fourth Proportional to 8,748,078.30, 13,122,117.45 and 7,897,772.70

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Solution

The fourth proportional to 8,748,078.30, 13,122,117.45 and 7,897,772.70 is: 11,846,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,078.30 : 13,122,117.45 = 7,897,772.70 : x
  2. Step 2: Convert to fraction form
    8,748,078.30/13,122,117.45 = 7,897,772.70/x
  3. Step 3: Cross multiply
    8,748,078.30x = 13,122,117.45 × 7,897,772.70
  4. Step 4: Simplify right side
    8,748,078.30x = 103,635,500,962,803.61
  5. Step 5: Solve for x
    x = 103,635,500,962,803.61/8,748,078.30
  6. Step 6: Final answer
    x = 11,846,659.05

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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.