Home / 20,070,726.50-27,695,381.24-11,129,611.89

Finding the Fourth Proportional to 20,070,726.50, 27,695,381.24 and 11,129,611.89

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Solution

The fourth proportional to 20,070,726.50, 27,695,381.24 and 11,129,611.89 is: 15,357,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,726.50 : 27,695,381.24 = 11,129,611.89 : x
  2. Step 2: Convert to fraction form
    20,070,726.50/27,695,381.24 = 11,129,611.89/x
  3. Step 3: Cross multiply
    20,070,726.50x = 27,695,381.24 × 11,129,611.89
  4. Step 4: Simplify right side
    20,070,726.50x = 308,238,844,346,786.94
  5. Step 5: Solve for x
    x = 308,238,844,346,786.94/20,070,726.50
  6. Step 6: Final answer
    x = 15,357,632.64

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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.