Home / 20,229,813.70-30,344,720.55-11,585,040.10

Finding the Fourth Proportional to 20,229,813.70, 30,344,720.55 and 11,585,040.10

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Solution

The fourth proportional to 20,229,813.70, 30,344,720.55 and 11,585,040.10 is: 17,377,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,813.70 : 30,344,720.55 = 11,585,040.10 : x
  2. Step 2: Convert to fraction form
    20,229,813.70/30,344,720.55 = 11,585,040.10/x
  3. Step 3: Cross multiply
    20,229,813.70x = 30,344,720.55 × 11,585,040.10
  4. Step 4: Simplify right side
    20,229,813.70x = 351,544,804,395,044.06
  5. Step 5: Solve for x
    x = 351,544,804,395,044.06/20,229,813.70
  6. Step 6: Final answer
    x = 17,377,560.15

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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.