Home / 7,172,726.15-9,897,912.54-3,953,462.15

Finding the Fourth Proportional to 7,172,726.15, 9,897,912.54 and 3,953,462.15

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Solution

The fourth proportional to 7,172,726.15, 9,897,912.54 and 3,953,462.15 is: 5,455,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,726.15 : 9,897,912.54 = 3,953,462.15 : x
  2. Step 2: Convert to fraction form
    7,172,726.15/9,897,912.54 = 3,953,462.15/x
  3. Step 3: Cross multiply
    7,172,726.15x = 9,897,912.54 × 3,953,462.15
  4. Step 4: Simplify right side
    7,172,726.15x = 39,131,022,541,410.80
  5. Step 5: Solve for x
    x = 39,131,022,541,410.80/7,172,726.15
  6. Step 6: Final answer
    x = 5,455,529.98

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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.