Home / 20,760,230.07-31,141,193.18-7,122,754.17

Finding the Fourth Proportional to 20,760,230.07, 31,141,193.18 and 7,122,754.17

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Solution

The fourth proportional to 20,760,230.07, 31,141,193.18 and 7,122,754.17 is: 10,684,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,230.07 : 31,141,193.18 = 7,122,754.17 : x
  2. Step 2: Convert to fraction form
    20,760,230.07/31,141,193.18 = 7,122,754.17/x
  3. Step 3: Cross multiply
    20,760,230.07x = 31,141,193.18 × 7,122,754.17
  4. Step 4: Simplify right side
    20,760,230.07x = 221,811,063,546,006.78
  5. Step 5: Solve for x
    x = 221,811,063,546,006.78/20,760,230.07
  6. Step 6: Final answer
    x = 10,684,422.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.