Home / 13,831,570.80-20,747,356.20-7,454,278.80

Finding the Fourth Proportional to 13,831,570.80, 20,747,356.20 and 7,454,278.80

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Solution

The fourth proportional to 13,831,570.80, 20,747,356.20 and 7,454,278.80 is: 11,181,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,570.80 : 20,747,356.20 = 7,454,278.80 : x
  2. Step 2: Convert to fraction form
    13,831,570.80/20,747,356.20 = 7,454,278.80/x
  3. Step 3: Cross multiply
    13,831,570.80x = 20,747,356.20 × 7,454,278.80
  4. Step 4: Simplify right side
    13,831,570.80x = 154,656,577,477,708.56
  5. Step 5: Solve for x
    x = 154,656,577,477,708.56/13,831,570.80
  6. Step 6: Final answer
    x = 11,181,418.20

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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.