Home / 20,229,614.95-27,919,425.29-13,266,150.93

Finding the Fourth Proportional to 20,229,614.95, 27,919,425.29 and 13,266,150.93

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Solution

The fourth proportional to 20,229,614.95, 27,919,425.29 and 13,266,150.93 is: 18,308,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,614.95 : 27,919,425.29 = 13,266,150.93 : x
  2. Step 2: Convert to fraction form
    20,229,614.95/27,919,425.29 = 13,266,150.93/x
  3. Step 3: Cross multiply
    20,229,614.95x = 27,919,425.29 × 13,266,150.93
  4. Step 4: Simplify right side
    20,229,614.95x = 370,383,309,775,999
  5. Step 5: Solve for x
    x = 370,383,309,775,999/20,229,614.95
  6. Step 6: Final answer
    x = 18,308,964.89

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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.