Home / 8,065,911.70-12,098,867.55-6,239,329.30

Finding the Fourth Proportional to 8,065,911.70, 12,098,867.55 and 6,239,329.30

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Solution

The fourth proportional to 8,065,911.70, 12,098,867.55 and 6,239,329.30 is: 9,358,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,911.70 : 12,098,867.55 = 6,239,329.30 : x
  2. Step 2: Convert to fraction form
    8,065,911.70/12,098,867.55 = 6,239,329.30/x
  3. Step 3: Cross multiply
    8,065,911.70x = 12,098,867.55 × 6,239,329.30
  4. Step 4: Simplify right side
    8,065,911.70x = 75,488,818,801,534.22
  5. Step 5: Solve for x
    x = 75,488,818,801,534.22/8,065,911.70
  6. Step 6: Final answer
    x = 9,358,993.95

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Double scale
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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.