Home / 18,001,046.70-27,001,570.05-13,218,077.70

Finding the Fourth Proportional to 18,001,046.70, 27,001,570.05 and 13,218,077.70

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Solution

The fourth proportional to 18,001,046.70, 27,001,570.05 and 13,218,077.70 is: 19,827,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001,046.70 : 27,001,570.05 = 13,218,077.70 : x
  2. Step 2: Convert to fraction form
    18,001,046.70/27,001,570.05 = 13,218,077.70/x
  3. Step 3: Cross multiply
    18,001,046.70x = 27,001,570.05 × 13,218,077.70
  4. Step 4: Simplify right side
    18,001,046.70x = 356,908,850,942,892.88
  5. Step 5: Solve for x
    x = 356,908,850,942,892.88/18,001,046.70
  6. Step 6: Final answer
    x = 19,827,116.55

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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.