Home / 8,149,920.30-12,224,880.45-7,299,614.70

Finding the Fourth Proportional to 8,149,920.30, 12,224,880.45 and 7,299,614.70

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Solution

The fourth proportional to 8,149,920.30, 12,224,880.45 and 7,299,614.70 is: 10,949,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,920.30 : 12,224,880.45 = 7,299,614.70 : x
  2. Step 2: Convert to fraction form
    8,149,920.30/12,224,880.45 = 7,299,614.70/x
  3. Step 3: Cross multiply
    8,149,920.30x = 12,224,880.45 × 7,299,614.70
  4. Step 4: Simplify right side
    8,149,920.30x = 89,236,917,038,562.61
  5. Step 5: Solve for x
    x = 89,236,917,038,562.61/8,149,920.30
  6. Step 6: Final answer
    x = 10,949,422.05

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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.