Home / 6,912,581.40-10,368,872.10-6,513,672.60

Finding the Fourth Proportional to 6,912,581.40, 10,368,872.10 and 6,513,672.60

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Solution

The fourth proportional to 6,912,581.40, 10,368,872.10 and 6,513,672.60 is: 9,770,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,581.40 : 10,368,872.10 = 6,513,672.60 : x
  2. Step 2: Convert to fraction form
    6,912,581.40/10,368,872.10 = 6,513,672.60/x
  3. Step 3: Cross multiply
    6,912,581.40x = 10,368,872.10 × 6,513,672.60
  4. Step 4: Simplify right side
    6,912,581.40x = 67,539,438,090,674.45
  5. Step 5: Solve for x
    x = 67,539,438,090,674.45/6,912,581.40
  6. Step 6: Final answer
    x = 9,770,508.90

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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.