Home / 7,640,145.12-10,542,770.28-4,499,919.30

Finding the Fourth Proportional to 7,640,145.12, 10,542,770.28 and 4,499,919.30

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Solution

The fourth proportional to 7,640,145.12, 10,542,770.28 and 4,499,919.30 is: 6,209,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,145.12 : 10,542,770.28 = 4,499,919.30 : x
  2. Step 2: Convert to fraction form
    7,640,145.12/10,542,770.28 = 4,499,919.30/x
  3. Step 3: Cross multiply
    7,640,145.12x = 10,542,770.28 × 4,499,919.30
  4. Step 4: Simplify right side
    7,640,145.12x = 47,441,615,458,438.40
  5. Step 5: Solve for x
    x = 47,441,615,458,438.40/7,640,145.12
  6. Step 6: Final answer
    x = 6,209,517.58

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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.