Home / 15,578,359.31-23,346,651.38-12,124,269.78

Finding the Fourth Proportional to 15,578,359.31, 23,346,651.38 and 12,124,269.78

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Solution

The fourth proportional to 15,578,359.31, 23,346,651.38 and 12,124,269.78 is: 18,170,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578,359.31 : 23,346,651.38 = 12,124,269.78 : x
  2. Step 2: Convert to fraction form
    15,578,359.31/23,346,651.38 = 12,124,269.78/x
  3. Step 3: Cross multiply
    15,578,359.31x = 23,346,651.38 × 12,124,269.78
  4. Step 4: Simplify right side
    15,578,359.31x = 283,061,099,730,107.94
  5. Step 5: Solve for x
    x = 283,061,099,730,107.94/15,578,359.31
  6. Step 6: Final answer
    x = 18,170,148.36

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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.