Home / 18,588,551.10-27,893,739.82-7,805,022.72

Finding the Fourth Proportional to 18,588,551.10, 27,893,739.82 and 7,805,022.72

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Solution

The fourth proportional to 18,588,551.10, 27,893,739.82 and 7,805,022.72 is: 11,712,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,551.10 : 27,893,739.82 = 7,805,022.72 : x
  2. Step 2: Convert to fraction form
    18,588,551.10/27,893,739.82 = 7,805,022.72/x
  3. Step 3: Cross multiply
    18,588,551.10x = 27,893,739.82 × 7,805,022.72
  4. Step 4: Simplify right side
    18,588,551.10x = 217,711,273,040,868.72
  5. Step 5: Solve for x
    x = 217,711,273,040,868.72/18,588,551.10
  6. Step 6: Final answer
    x = 11,712,116.34

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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.