Home / 20,229,615.95-27,919,426.67-13,266,151.93

Finding the Fourth Proportional to 20,229,615.95, 27,919,426.67 and 13,266,151.93

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Solution

The fourth proportional to 20,229,615.95, 27,919,426.67 and 13,266,151.93 is: 18,308,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,615.95 : 27,919,426.67 = 13,266,151.93 : x
  2. Step 2: Convert to fraction form
    20,229,615.95/27,919,426.67 = 13,266,151.93/x
  3. Step 3: Cross multiply
    20,229,615.95x = 27,919,426.67 × 13,266,151.93
  4. Step 4: Simplify right side
    20,229,615.95x = 370,383,356,002,714
  5. Step 5: Solve for x
    x = 370,383,356,002,714/20,229,615.95
  6. Step 6: Final answer
    x = 18,308,966.27

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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.