Home / 15,172,359.52-20,937,847.06-8,296,841.58

Finding the Fourth Proportional to 15,172,359.52, 20,937,847.06 and 8,296,841.58

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Solution

The fourth proportional to 15,172,359.52, 20,937,847.06 and 8,296,841.58 is: 11,449,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,359.52 : 20,937,847.06 = 8,296,841.58 : x
  2. Step 2: Convert to fraction form
    15,172,359.52/20,937,847.06 = 8,296,841.58/x
  3. Step 3: Cross multiply
    15,172,359.52x = 20,937,847.06 × 8,296,841.58
  4. Step 4: Simplify right side
    15,172,359.52x = 173,718,000,083,088.75
  5. Step 5: Solve for x
    x = 173,718,000,083,088.75/15,172,359.52
  6. Step 6: Final answer
    x = 11,449,636.42

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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.