Home / 18,306,034.80-27,427,559.40-11,912,996.40

Finding the Fourth Proportional to 18,306,034.80, 27,427,559.40 and 11,912,996.40

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Solution

The fourth proportional to 18,306,034.80, 27,427,559.40 and 11,912,996.40 is: 17,849,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,034.80 : 27,427,559.40 = 11,912,996.40 : x
  2. Step 2: Convert to fraction form
    18,306,034.80/27,427,559.40 = 11,912,996.40/x
  3. Step 3: Cross multiply
    18,306,034.80x = 27,427,559.40 × 11,912,996.40
  4. Step 4: Simplify right side
    18,306,034.80x = 326,744,416,392,986.12
  5. Step 5: Solve for x
    x = 326,744,416,392,986.12/18,306,034.80
  6. Step 6: Final answer
    x = 17,849,000.07

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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.