Home / 10,945,812.80-16,418,719.20-6,914,734.40

Finding the Fourth Proportional to 10,945,812.80, 16,418,719.20 and 6,914,734.40

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Solution

The fourth proportional to 10,945,812.80, 16,418,719.20 and 6,914,734.40 is: 10,372,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945,812.80 : 16,418,719.20 = 6,914,734.40 : x
  2. Step 2: Convert to fraction form
    10,945,812.80/16,418,719.20 = 6,914,734.40/x
  3. Step 3: Cross multiply
    10,945,812.80x = 16,418,719.20 × 6,914,734.40
  4. Step 4: Simplify right side
    10,945,812.80x = 113,531,082,456,180.48
  5. Step 5: Solve for x
    x = 113,531,082,456,180.48/10,945,812.80
  6. Step 6: Final answer
    x = 10,372,101.60

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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.