Home / 18,001,034.20-27,001,551.30-13,218,065.20

Finding the Fourth Proportional to 18,001,034.20, 27,001,551.30 and 13,218,065.20

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Solution

The fourth proportional to 18,001,034.20, 27,001,551.30 and 13,218,065.20 is: 19,827,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001,034.20 : 27,001,551.30 = 13,218,065.20 : x
  2. Step 2: Convert to fraction form
    18,001,034.20/27,001,551.30 = 13,218,065.20/x
  3. Step 3: Cross multiply
    18,001,034.20x = 27,001,551.30 × 13,218,065.20
  4. Step 4: Simplify right side
    18,001,034.20x = 356,908,265,584,544.75
  5. Step 5: Solve for x
    x = 356,908,265,584,544.75/18,001,034.20
  6. Step 6: Final answer
    x = 19,827,097.80

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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.