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Finding the Fourth Proportional to 10,931,411.60, 16,397,117.40 and 9,230,800.40

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Solution

The fourth proportional to 10,931,411.60, 16,397,117.40 and 9,230,800.40 is: 13,846,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,411.60 : 16,397,117.40 = 9,230,800.40 : x
  2. Step 2: Convert to fraction form
    10,931,411.60/16,397,117.40 = 9,230,800.40/x
  3. Step 3: Cross multiply
    10,931,411.60x = 16,397,117.40 × 9,230,800.40
  4. Step 4: Simplify right side
    10,931,411.60x = 151,358,517,854,766.97
  5. Step 5: Solve for x
    x = 151,358,517,854,766.97/10,931,411.60
  6. Step 6: Final answer
    x = 13,846,200.60

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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.