Home / 8,257,895.60-12,386,843.40-5,234,586.80

Finding the Fourth Proportional to 8,257,895.60, 12,386,843.40 and 5,234,586.80

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Solution

The fourth proportional to 8,257,895.60, 12,386,843.40 and 5,234,586.80 is: 7,851,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,895.60 : 12,386,843.40 = 5,234,586.80 : x
  2. Step 2: Convert to fraction form
    8,257,895.60/12,386,843.40 = 5,234,586.80/x
  3. Step 3: Cross multiply
    8,257,895.60x = 12,386,843.40 × 5,234,586.80
  4. Step 4: Simplify right side
    8,257,895.60x = 64,840,006,955,307.12
  5. Step 5: Solve for x
    x = 64,840,006,955,307.12/8,257,895.60
  6. Step 6: Final answer
    x = 7,851,880.20

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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.