Home / 12,456,502.40-18,684,753.60-6,716,939.60

Finding the Fourth Proportional to 12,456,502.40, 18,684,753.60 and 6,716,939.60

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Solution

The fourth proportional to 12,456,502.40, 18,684,753.60 and 6,716,939.60 is: 10,075,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,502.40 : 18,684,753.60 = 6,716,939.60 : x
  2. Step 2: Convert to fraction form
    12,456,502.40/18,684,753.60 = 6,716,939.60/x
  3. Step 3: Cross multiply
    12,456,502.40x = 18,684,753.60 × 6,716,939.60
  4. Step 4: Simplify right side
    12,456,502.40x = 125,504,361,372,082.56
  5. Step 5: Solve for x
    x = 125,504,361,372,082.56/12,456,502.40
  6. Step 6: Final answer
    x = 10,075,409.40

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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.