Home / 28,375,095.43-39,149,530.50-15,980,853.85

Finding the Fourth Proportional to 28,375,095.43, 39,149,530.50 and 15,980,853.85

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Solution

The fourth proportional to 28,375,095.43, 39,149,530.50 and 15,980,853.85 is: 22,049,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,095.43 : 39,149,530.50 = 15,980,853.85 : x
  2. Step 2: Convert to fraction form
    28,375,095.43/39,149,530.50 = 15,980,853.85/x
  3. Step 3: Cross multiply
    28,375,095.43x = 39,149,530.50 × 15,980,853.85
  4. Step 4: Simplify right side
    28,375,095.43x = 625,642,925,216,617.38
  5. Step 5: Solve for x
    x = 625,642,925,216,617.38/28,375,095.43
  6. Step 6: Final answer
    x = 22,049,015.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.