Home / 13,642,125.66-18,825,472.17-7,761,205.98

Finding the Fourth Proportional to 13,642,125.66, 18,825,472.17 and 7,761,205.98

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Solution

The fourth proportional to 13,642,125.66, 18,825,472.17 and 7,761,205.98 is: 10,710,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,125.66 : 18,825,472.17 = 7,761,205.98 : x
  2. Step 2: Convert to fraction form
    13,642,125.66/18,825,472.17 = 7,761,205.98/x
  3. Step 3: Cross multiply
    13,642,125.66x = 18,825,472.17 × 7,761,205.98
  4. Step 4: Simplify right side
    13,642,125.66x = 146,108,367,182,127.59
  5. Step 5: Solve for x
    x = 146,108,367,182,127.59/13,642,125.66
  6. Step 6: Final answer
    x = 10,710,088.06

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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.