Home / 23,133,731.55-31,924,006.26-12,820,233.21

Finding the Fourth Proportional to 23,133,731.55, 31,924,006.26 and 12,820,233.21

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Solution

The fourth proportional to 23,133,731.55, 31,924,006.26 and 12,820,233.21 is: 17,691,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,731.55 : 31,924,006.26 = 12,820,233.21 : x
  2. Step 2: Convert to fraction form
    23,133,731.55/31,924,006.26 = 12,820,233.21/x
  3. Step 3: Cross multiply
    23,133,731.55x = 31,924,006.26 × 12,820,233.21
  4. Step 4: Simplify right side
    23,133,731.55x = 409,273,205,250,699.94
  5. Step 5: Solve for x
    x = 409,273,205,250,699.94/23,133,731.55
  6. Step 6: Final answer
    x = 17,691,620.76

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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.