Home / 9,115,251.40-13,654,854.70-7,994,585.80

Finding the Fourth Proportional to 9,115,251.40, 13,654,854.70 and 7,994,585.80

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Solution

The fourth proportional to 9,115,251.40, 13,654,854.70 and 7,994,585.80 is: 11,976,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,251.40 : 13,654,854.70 = 7,994,585.80 : x
  2. Step 2: Convert to fraction form
    9,115,251.40/13,654,854.70 = 7,994,585.80/x
  3. Step 3: Cross multiply
    9,115,251.40x = 13,654,854.70 × 7,994,585.80
  4. Step 4: Simplify right side
    9,115,251.40x = 109,164,907,485,683.25
  5. Step 5: Solve for x
    x = 109,164,907,485,683.25/9,115,251.40
  6. Step 6: Final answer
    x = 11,976,072.05

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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.