Home / 29,156,387.87-40,235,576.31-15,925,573.69

Finding the Fourth Proportional to 29,156,387.87, 40,235,576.31 and 15,925,573.69

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Solution

The fourth proportional to 29,156,387.87, 40,235,576.31 and 15,925,573.69 is: 21,977,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156,387.87 : 40,235,576.31 = 15,925,573.69 : x
  2. Step 2: Convert to fraction form
    29,156,387.87/40,235,576.31 = 15,925,573.69/x
  3. Step 3: Cross multiply
    29,156,387.87x = 40,235,576.31 × 15,925,573.69
  4. Step 4: Simplify right side
    29,156,387.87x = 640,774,635,383,934.38
  5. Step 5: Solve for x
    x = 640,774,635,383,934.38/29,156,387.87
  6. Step 6: Final answer
    x = 21,977,161.17

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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.