Home / 20,926,726.68-31,390,686.18-5,780,659.80

Finding the Fourth Proportional to 20,926,726.68, 31,390,686.18 and 5,780,659.80

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Solution

The fourth proportional to 20,926,726.68, 31,390,686.18 and 5,780,659.80 is: 8,671,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,726.68 : 31,390,686.18 = 5,780,659.80 : x
  2. Step 2: Convert to fraction form
    20,926,726.68/31,390,686.18 = 5,780,659.80/x
  3. Step 3: Cross multiply
    20,926,726.68x = 31,390,686.18 × 5,780,659.80
  4. Step 4: Simplify right side
    20,926,726.68x = 181,458,877,695,141.56
  5. Step 5: Solve for x
    x = 181,458,877,695,141.56/20,926,726.68
  6. Step 6: Final answer
    x = 8,671,154.38

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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.