Home / 8,300,123.10-12,450,184.65-5,864,679.90

Finding the Fourth Proportional to 8,300,123.10, 12,450,184.65 and 5,864,679.90

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Solution

The fourth proportional to 8,300,123.10, 12,450,184.65 and 5,864,679.90 is: 8,797,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,123.10 : 12,450,184.65 = 5,864,679.90 : x
  2. Step 2: Convert to fraction form
    8,300,123.10/12,450,184.65 = 5,864,679.90/x
  3. Step 3: Cross multiply
    8,300,123.10x = 12,450,184.65 × 5,864,679.90
  4. Step 4: Simplify right side
    8,300,123.10x = 73,016,347,668,143.55
  5. Step 5: Solve for x
    x = 73,016,347,668,143.55/8,300,123.10
  6. Step 6: Final answer
    x = 8,797,019.85

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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.