Home / 54,605,672.91-81,908,815.55-18,213,963.35

Finding the Fourth Proportional to 54,605,672.91, 81,908,815.55 and 18,213,963.35

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Solution

The fourth proportional to 54,605,672.91, 81,908,815.55 and 18,213,963.35 is: 27,321,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605,672.91 : 81,908,815.55 = 18,213,963.35 : x
  2. Step 2: Convert to fraction form
    54,605,672.91/81,908,815.55 = 18,213,963.35/x
  3. Step 3: Cross multiply
    54,605,672.91x = 81,908,815.55 × 18,213,963.35
  4. Step 4: Simplify right side
    54,605,672.91x = 1,491,884,163,968,996.25
  5. Step 5: Solve for x
    x = 1,491,884,163,968,996.25/54,605,672.91
  6. Step 6: Final answer
    x = 27,321,047.15

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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.