Home / 8,754,172.31-13,135,881.94-6,211,815.59

Finding the Fourth Proportional to 8,754,172.31, 13,135,881.94 and 6,211,815.59

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Solution

The fourth proportional to 8,754,172.31, 13,135,881.94 and 6,211,815.59 is: 9,321,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754,172.31 : 13,135,881.94 = 6,211,815.59 : x
  2. Step 2: Convert to fraction form
    8,754,172.31/13,135,881.94 = 6,211,815.59/x
  3. Step 3: Cross multiply
    8,754,172.31x = 13,135,881.94 × 6,211,815.59
  4. Step 4: Simplify right side
    8,754,172.31x = 81,597,676,223,291.44
  5. Step 5: Solve for x
    x = 81,597,676,223,291.44/8,754,172.31
  6. Step 6: Final answer
    x = 9,321,004.13

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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.