Home / 8,312,422.40-12,468,633.60-5,475,737.60

Finding the Fourth Proportional to 8,312,422.40, 12,468,633.60 and 5,475,737.60

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Solution

The fourth proportional to 8,312,422.40, 12,468,633.60 and 5,475,737.60 is: 8,213,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,422.40 : 12,468,633.60 = 5,475,737.60 : x
  2. Step 2: Convert to fraction form
    8,312,422.40/12,468,633.60 = 5,475,737.60/x
  3. Step 3: Cross multiply
    8,312,422.40x = 12,468,633.60 × 5,475,737.60
  4. Step 4: Simplify right side
    8,312,422.40x = 68,274,965,824,143.35
  5. Step 5: Solve for x
    x = 68,274,965,824,143.35/8,312,422.40
  6. Step 6: Final answer
    x = 8,213,606.40

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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.