Home / 15,138,108.52-22,717,191.69-8,319,443.47

Finding the Fourth Proportional to 15,138,108.52, 22,717,191.69 and 8,319,443.47

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Solution

The fourth proportional to 15,138,108.52, 22,717,191.69 and 8,319,443.47 is: 12,484,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,108.52 : 22,717,191.69 = 8,319,443.47 : x
  2. Step 2: Convert to fraction form
    15,138,108.52/22,717,191.69 = 8,319,443.47/x
  3. Step 3: Cross multiply
    15,138,108.52x = 22,717,191.69 × 8,319,443.47
  4. Step 4: Simplify right side
    15,138,108.52x = 188,994,391,927,724.19
  5. Step 5: Solve for x
    x = 188,994,391,927,724.19/15,138,108.52
  6. Step 6: Final answer
    x = 12,484,676.78

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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.