Home / 11,591,979.40-17,387,969.10-9,716,408.20

Finding the Fourth Proportional to 11,591,979.40, 17,387,969.10 and 9,716,408.20

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Solution

The fourth proportional to 11,591,979.40, 17,387,969.10 and 9,716,408.20 is: 14,574,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,979.40 : 17,387,969.10 = 9,716,408.20 : x
  2. Step 2: Convert to fraction form
    11,591,979.40/17,387,969.10 = 9,716,408.20/x
  3. Step 3: Cross multiply
    11,591,979.40x = 17,387,969.10 × 9,716,408.20
  4. Step 4: Simplify right side
    11,591,979.40x = 168,948,605,544,586.62
  5. Step 5: Solve for x
    x = 168,948,605,544,586.62/11,591,979.40
  6. Step 6: Final answer
    x = 14,574,612.30

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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.