Home / 7,087,511.20-9,780,766.80-3,868,247.20

Finding the Fourth Proportional to 7,087,511.20, 9,780,766.80 and 3,868,247.20

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Solution

The fourth proportional to 7,087,511.20, 9,780,766.80 and 3,868,247.20 is: 5,338,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087,511.20 : 9,780,766.80 = 3,868,247.20 : x
  2. Step 2: Convert to fraction form
    7,087,511.20/9,780,766.80 = 3,868,247.20/x
  3. Step 3: Cross multiply
    7,087,511.20x = 9,780,766.80 × 3,868,247.20
  4. Step 4: Simplify right side
    7,087,511.20x = 37,834,423,787,952.96
  5. Step 5: Solve for x
    x = 37,834,423,787,952.96/7,087,511.20
  6. Step 6: Final answer
    x = 5,338,181.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.