Home / 13,590,694.64-18,755,161.23-7,479,123.14

Finding the Fourth Proportional to 13,590,694.64, 18,755,161.23 and 7,479,123.14

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Solution

The fourth proportional to 13,590,694.64, 18,755,161.23 and 7,479,123.14 is: 10,321,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,694.64 : 18,755,161.23 = 7,479,123.14 : x
  2. Step 2: Convert to fraction form
    13,590,694.64/18,755,161.23 = 7,479,123.14/x
  3. Step 3: Cross multiply
    13,590,694.64x = 18,755,161.23 × 7,479,123.14
  4. Step 4: Simplify right side
    13,590,694.64x = 140,272,160,424,658.48
  5. Step 5: Solve for x
    x = 140,272,160,424,658.48/13,590,694.64
  6. Step 6: Final answer
    x = 10,321,191.38

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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.