Home / 10,366,345.30-15,549,517.95-7,712,137.30

Finding the Fourth Proportional to 10,366,345.30, 15,549,517.95 and 7,712,137.30

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Solution

The fourth proportional to 10,366,345.30, 15,549,517.95 and 7,712,137.30 is: 11,568,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,345.30 : 15,549,517.95 = 7,712,137.30 : x
  2. Step 2: Convert to fraction form
    10,366,345.30/15,549,517.95 = 7,712,137.30/x
  3. Step 3: Cross multiply
    10,366,345.30x = 15,549,517.95 × 7,712,137.30
  4. Step 4: Simplify right side
    10,366,345.30x = 119,920,017,379,214.53
  5. Step 5: Solve for x
    x = 119,920,017,379,214.53/10,366,345.30
  6. Step 6: Final answer
    x = 11,568,205.95

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Double scale
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Similar ratio
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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.