Home / 8,776,151.20-13,164,226.80-7,992,330.40

Finding the Fourth Proportional to 8,776,151.20, 13,164,226.80 and 7,992,330.40

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Solution

The fourth proportional to 8,776,151.20, 13,164,226.80 and 7,992,330.40 is: 11,988,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776,151.20 : 13,164,226.80 = 7,992,330.40 : x
  2. Step 2: Convert to fraction form
    8,776,151.20/13,164,226.80 = 7,992,330.40/x
  3. Step 3: Cross multiply
    8,776,151.20x = 13,164,226.80 × 7,992,330.40
  4. Step 4: Simplify right side
    8,776,151.20x = 105,212,850,046,134.73
  5. Step 5: Solve for x
    x = 105,212,850,046,134.73/8,776,151.20
  6. Step 6: Final answer
    x = 11,988,495.60

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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.