Home / 28,694,045.80-43,052,603.10-11,656,052.20

Finding the Fourth Proportional to 28,694,045.80, 43,052,603.10 and 11,656,052.20

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Solution

The fourth proportional to 28,694,045.80, 43,052,603.10 and 11,656,052.20 is: 17,488,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694,045.80 : 43,052,603.10 = 11,656,052.20 : x
  2. Step 2: Convert to fraction form
    28,694,045.80/43,052,603.10 = 11,656,052.20/x
  3. Step 3: Cross multiply
    28,694,045.80x = 43,052,603.10 × 11,656,052.20
  4. Step 4: Simplify right side
    28,694,045.80x = 501,823,389,079,481.81
  5. Step 5: Solve for x
    x = 501,823,389,079,481.81/28,694,045.80
  6. Step 6: Final answer
    x = 17,488,763.79

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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.