Home / 12,112,658.16-18,149,710.17-8,476,273.11

Finding the Fourth Proportional to 12,112,658.16, 18,149,710.17 and 8,476,273.11

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Solution

The fourth proportional to 12,112,658.16, 18,149,710.17 and 8,476,273.11 is: 12,700,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,658.16 : 18,149,710.17 = 8,476,273.11 : x
  2. Step 2: Convert to fraction form
    12,112,658.16/18,149,710.17 = 8,476,273.11/x
  3. Step 3: Cross multiply
    12,112,658.16x = 18,149,710.17 × 8,476,273.11
  4. Step 4: Simplify right side
    12,112,658.16x = 153,841,900,268,264.53
  5. Step 5: Solve for x
    x = 153,841,900,268,264.53/12,112,658.16
  6. Step 6: Final answer
    x = 12,700,919.83

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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.