Home / 10,366,311.30-15,549,466.95-7,712,103.30

Finding the Fourth Proportional to 10,366,311.30, 15,549,466.95 and 7,712,103.30

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Solution

The fourth proportional to 10,366,311.30, 15,549,466.95 and 7,712,103.30 is: 11,568,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,311.30 : 15,549,466.95 = 7,712,103.30 : x
  2. Step 2: Convert to fraction form
    10,366,311.30/15,549,466.95 = 7,712,103.30/x
  3. Step 3: Cross multiply
    10,366,311.30x = 15,549,466.95 × 7,712,103.30
  4. Step 4: Simplify right side
    10,366,311.30x = 119,919,095,378,335.92
  5. Step 5: Solve for x
    x = 119,919,095,378,335.92/10,366,311.30
  6. Step 6: Final answer
    x = 11,568,154.95

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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.