Home / 8,176,529.70-12,264,794.55-5,625,612.90

Finding the Fourth Proportional to 8,176,529.70, 12,264,794.55 and 5,625,612.90

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Solution

The fourth proportional to 8,176,529.70, 12,264,794.55 and 5,625,612.90 is: 8,438,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,529.70 : 12,264,794.55 = 5,625,612.90 : x
  2. Step 2: Convert to fraction form
    8,176,529.70/12,264,794.55 = 5,625,612.90/x
  3. Step 3: Cross multiply
    8,176,529.70x = 12,264,794.55 × 5,625,612.90
  4. Step 4: Simplify right side
    8,176,529.70x = 68,996,986,436,329.70
  5. Step 5: Solve for x
    x = 68,996,986,436,329.70/8,176,529.70
  6. Step 6: Final answer
    x = 8,438,419.35

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Double scale
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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.