Home / 20,362,918.26-28,100,827.20-11,195,560.98

Finding the Fourth Proportional to 20,362,918.26, 28,100,827.20 and 11,195,560.98

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Solution

The fourth proportional to 20,362,918.26, 28,100,827.20 and 11,195,560.98 is: 15,449,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,918.26 : 28,100,827.20 = 11,195,560.98 : x
  2. Step 2: Convert to fraction form
    20,362,918.26/28,100,827.20 = 11,195,560.98/x
  3. Step 3: Cross multiply
    20,362,918.26x = 28,100,827.20 × 11,195,560.98
  4. Step 4: Simplify right side
    20,362,918.26x = 314,604,524,506,042.69
  5. Step 5: Solve for x
    x = 314,604,524,506,042.69/20,362,918.26
  6. Step 6: Final answer
    x = 15,449,874.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.