Home / 13,508,963.10-20,267,232.39-5,427,612.93

Finding the Fourth Proportional to 13,508,963.10, 20,267,232.39 and 5,427,612.93

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Solution

The fourth proportional to 13,508,963.10, 20,267,232.39 and 5,427,612.93 is: 8,142,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,963.10 : 20,267,232.39 = 5,427,612.93 : x
  2. Step 2: Convert to fraction form
    13,508,963.10/20,267,232.39 = 5,427,612.93/x
  3. Step 3: Cross multiply
    13,508,963.10x = 20,267,232.39 × 5,427,612.93
  4. Step 4: Simplify right side
    13,508,963.10x = 110,002,692,575,278.80
  5. Step 5: Solve for x
    x = 110,002,692,575,278.80/13,508,963.10
  6. Step 6: Final answer
    x = 8,142,941.23

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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.