Home / 20,070,719.71-27,695,371.74-11,129,605.04

Finding the Fourth Proportional to 20,070,719.71, 27,695,371.74 and 11,129,605.04

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Solution

The fourth proportional to 20,070,719.71, 27,695,371.74 and 11,129,605.04 is: 15,357,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,719.71 : 27,695,371.74 = 11,129,605.04 : x
  2. Step 2: Convert to fraction form
    20,070,719.71/27,695,371.74 = 11,129,605.04/x
  3. Step 3: Cross multiply
    20,070,719.71x = 27,695,371.74 × 11,129,605.04
  4. Step 4: Simplify right side
    20,070,719.71x = 308,238,548,902,177.50
  5. Step 5: Solve for x
    x = 308,238,548,902,177.50/20,070,719.71
  6. Step 6: Final answer
    x = 15,357,623.11

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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.