Home / 6,912,040.80-10,368,061.20-3,510,818.40

Finding the Fourth Proportional to 6,912,040.80, 10,368,061.20 and 3,510,818.40

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Solution

The fourth proportional to 6,912,040.80, 10,368,061.20 and 3,510,818.40 is: 5,266,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,040.80 : 10,368,061.20 = 3,510,818.40 : x
  2. Step 2: Convert to fraction form
    6,912,040.80/10,368,061.20 = 3,510,818.40/x
  3. Step 3: Cross multiply
    6,912,040.80x = 10,368,061.20 × 3,510,818.40
  4. Step 4: Simplify right side
    6,912,040.80x = 36,400,380,033,286.08
  5. Step 5: Solve for x
    x = 36,400,380,033,286.08/6,912,040.80
  6. Step 6: Final answer
    x = 5,266,227.60

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Similar ratio
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1.5x scale

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.