Home / 15,441,664.34-21,309,298.80-8,377,153.76

Finding the Fourth Proportional to 15,441,664.34, 21,309,298.80 and 8,377,153.76

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Solution

The fourth proportional to 15,441,664.34, 21,309,298.80 and 8,377,153.76 is: 11,560,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441,664.34 : 21,309,298.80 = 8,377,153.76 : x
  2. Step 2: Convert to fraction form
    15,441,664.34/21,309,298.80 = 8,377,153.76/x
  3. Step 3: Cross multiply
    15,441,664.34x = 21,309,298.80 × 8,377,153.76
  4. Step 4: Simplify right side
    15,441,664.34x = 178,511,272,587,242.41
  5. Step 5: Solve for x
    x = 178,511,272,587,242.41/15,441,664.34
  6. Step 6: Final answer
    x = 11,560,364.78

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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.