Home / 8,045,304.70-12,067,957.05-4,812,043.90

Finding the Fourth Proportional to 8,045,304.70, 12,067,957.05 and 4,812,043.90

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Solution

The fourth proportional to 8,045,304.70, 12,067,957.05 and 4,812,043.90 is: 7,218,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,304.70 : 12,067,957.05 = 4,812,043.90 : x
  2. Step 2: Convert to fraction form
    8,045,304.70/12,067,957.05 = 4,812,043.90/x
  3. Step 3: Cross multiply
    8,045,304.70x = 12,067,957.05 × 4,812,043.90
  4. Step 4: Simplify right side
    8,045,304.70x = 58,071,539,107,914.50
  5. Step 5: Solve for x
    x = 58,071,539,107,914.50/8,045,304.70
  6. Step 6: Final answer
    x = 7,218,065.85

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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.