Home / 15,149,070.52-20,905,850.96-8,623,120.16

Finding the Fourth Proportional to 15,149,070.52, 20,905,850.96 and 8,623,120.16

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Solution

The fourth proportional to 15,149,070.52, 20,905,850.96 and 8,623,120.16 is: 11,899,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,070.52 : 20,905,850.96 = 8,623,120.16 : x
  2. Step 2: Convert to fraction form
    15,149,070.52/20,905,850.96 = 8,623,120.16/x
  3. Step 3: Cross multiply
    15,149,070.52x = 20,905,850.96 × 8,623,120.16
  4. Step 4: Simplify right side
    15,149,070.52x = 180,273,664,875,131.38
  5. Step 5: Solve for x
    x = 180,273,664,875,131.38/15,149,070.52
  6. Step 6: Final answer
    x = 11,899,981.89

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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.