Home / 8,304,411.60-12,456,617.40-7,800,526.80

Finding the Fourth Proportional to 8,304,411.60, 12,456,617.40 and 7,800,526.80

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Solution

The fourth proportional to 8,304,411.60, 12,456,617.40 and 7,800,526.80 is: 11,700,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,411.60 : 12,456,617.40 = 7,800,526.80 : x
  2. Step 2: Convert to fraction form
    8,304,411.60/12,456,617.40 = 7,800,526.80/x
  3. Step 3: Cross multiply
    8,304,411.60x = 12,456,617.40 × 7,800,526.80
  4. Step 4: Simplify right side
    8,304,411.60x = 97,168,177,866,046.33
  5. Step 5: Solve for x
    x = 97,168,177,866,046.33/8,304,411.60
  6. Step 6: Final answer
    x = 11,700,790.20

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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.