Home / 15,149,156.14-20,905,969.17-8,623,205.88

Finding the Fourth Proportional to 15,149,156.14, 20,905,969.17 and 8,623,205.88

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Solution

The fourth proportional to 15,149,156.14, 20,905,969.17 and 8,623,205.88 is: 11,900,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,156.14 : 20,905,969.17 = 8,623,205.88 : x
  2. Step 2: Convert to fraction form
    15,149,156.14/20,905,969.17 = 8,623,205.88/x
  3. Step 3: Cross multiply
    15,149,156.14x = 20,905,969.17 × 8,623,205.88
  4. Step 4: Simplify right side
    15,149,156.14x = 180,276,476,273,842.75
  5. Step 5: Solve for x
    x = 180,276,476,273,842.75/15,149,156.14
  6. Step 6: Final answer
    x = 11,900,100.22

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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.