Home / 15,642,592.17-21,589,001.77-8,674,819.39

Finding the Fourth Proportional to 15,642,592.17, 21,589,001.77 and 8,674,819.39

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Solution

The fourth proportional to 15,642,592.17, 21,589,001.77 and 8,674,819.39 is: 11,972,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,592.17 : 21,589,001.77 = 8,674,819.39 : x
  2. Step 2: Convert to fraction form
    15,642,592.17/21,589,001.77 = 8,674,819.39/x
  3. Step 3: Cross multiply
    15,642,592.17x = 21,589,001.77 × 8,674,819.39
  4. Step 4: Simplify right side
    15,642,592.17x = 187,280,691,183,591.03
  5. Step 5: Solve for x
    x = 187,280,691,183,591.03/15,642,592.17
  6. Step 6: Final answer
    x = 11,972,484.43

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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.