Home / 12,490,311.17-17,231,351.37-8,361,672.49

Finding the Fourth Proportional to 12,490,311.17, 17,231,351.37 and 8,361,672.49

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Solution

The fourth proportional to 12,490,311.17, 17,231,351.37 and 8,361,672.49 is: 11,535,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,311.17 : 17,231,351.37 = 8,361,672.49 : x
  2. Step 2: Convert to fraction form
    12,490,311.17/17,231,351.37 = 8,361,672.49/x
  3. Step 3: Cross multiply
    12,490,311.17x = 17,231,351.37 × 8,361,672.49
  4. Step 4: Simplify right side
    12,490,311.17x = 144,082,916,650,800.22
  5. Step 5: Solve for x
    x = 144,082,916,650,800.22/12,490,311.17
  6. Step 6: Final answer
    x = 11,535,574.63

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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.