Home / 7,687,360.50-11,531,052.56-3,078,422.28

Finding the Fourth Proportional to 7,687,360.50, 11,531,052.56 and 3,078,422.28

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Solution

The fourth proportional to 7,687,360.50, 11,531,052.56 and 3,078,422.28 is: 4,617,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,360.50 : 11,531,052.56 = 3,078,422.28 : x
  2. Step 2: Convert to fraction form
    7,687,360.50/11,531,052.56 = 3,078,422.28/x
  3. Step 3: Cross multiply
    7,687,360.50x = 11,531,052.56 × 3,078,422.28
  4. Step 4: Simplify right side
    7,687,360.50x = 35,497,449,067,275.62
  5. Step 5: Solve for x
    x = 35,497,449,067,275.62/7,687,360.50
  6. Step 6: Final answer
    x = 4,617,638.14

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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.