Home / 13,910,123.07-19,197,153.18-7,717,165.38

Finding the Fourth Proportional to 13,910,123.07, 19,197,153.18 and 7,717,165.38

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Solution

The fourth proportional to 13,910,123.07, 19,197,153.18 and 7,717,165.38 is: 10,650,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,123.07 : 19,197,153.18 = 7,717,165.38 : x
  2. Step 2: Convert to fraction form
    13,910,123.07/19,197,153.18 = 7,717,165.38/x
  3. Step 3: Cross multiply
    13,910,123.07x = 19,197,153.18 × 7,717,165.38
  4. Step 4: Simplify right side
    13,910,123.07x = 148,147,605,915,252.91
  5. Step 5: Solve for x
    x = 148,147,605,915,252.91/13,910,123.07
  6. Step 6: Final answer
    x = 10,650,344.73

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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.