Home / 13,626,577.38-20,378,513.43-12,119,122.02

Finding the Fourth Proportional to 13,626,577.38, 20,378,513.43 and 12,119,122.02

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Solution

The fourth proportional to 13,626,577.38, 20,378,513.43 and 12,119,122.02 is: 18,124,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,577.38 : 20,378,513.43 = 12,119,122.02 : x
  2. Step 2: Convert to fraction form
    13,626,577.38/20,378,513.43 = 12,119,122.02/x
  3. Step 3: Cross multiply
    13,626,577.38x = 20,378,513.43 × 12,119,122.02
  4. Step 4: Simplify right side
    13,626,577.38x = 246,969,690,844,378.72
  5. Step 5: Solve for x
    x = 246,969,690,844,378.72/13,626,577.38
  6. Step 6: Final answer
    x = 18,124,117.59

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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.