Home / 13,543,949.06-20,318,934.35-6,351,649.64

Finding the Fourth Proportional to 13,543,949.06, 20,318,934.35 and 6,351,649.64

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Solution

The fourth proportional to 13,543,949.06, 20,318,934.35 and 6,351,649.64 is: 9,528,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543,949.06 : 20,318,934.35 = 6,351,649.64 : x
  2. Step 2: Convert to fraction form
    13,543,949.06/20,318,934.35 = 6,351,649.64/x
  3. Step 3: Cross multiply
    13,543,949.06x = 20,318,934.35 × 6,351,649.64
  4. Step 4: Simplify right side
    13,543,949.06x = 129,058,752,049,361.14
  5. Step 5: Solve for x
    x = 129,058,752,049,361.14/13,543,949.06
  6. Step 6: Final answer
    x = 9,528,886.40

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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.