Home / 8,278,901.10-12,394,732.05-7,334,117.10

Finding the Fourth Proportional to 8,278,901.10, 12,394,732.05 and 7,334,117.10

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Solution

The fourth proportional to 8,278,901.10, 12,394,732.05 and 7,334,117.10 is: 10,980,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,901.10 : 12,394,732.05 = 7,334,117.10 : x
  2. Step 2: Convert to fraction form
    8,278,901.10/12,394,732.05 = 7,334,117.10/x
  3. Step 3: Cross multiply
    8,278,901.10x = 12,394,732.05 × 7,334,117.10
  4. Step 4: Simplify right side
    8,278,901.10x = 90,904,416,277,823.06
  5. Step 5: Solve for x
    x = 90,904,416,277,823.06/8,278,901.10
  6. Step 6: Final answer
    x = 10,980,251.51

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Double scale
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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.