Home / 6,619,999.90-9,929,999.85-4,100,575.90

Finding the Fourth Proportional to 6,619,999.90, 9,929,999.85 and 4,100,575.90

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Solution

The fourth proportional to 6,619,999.90, 9,929,999.85 and 4,100,575.90 is: 6,150,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,999.90 : 9,929,999.85 = 4,100,575.90 : x
  2. Step 2: Convert to fraction form
    6,619,999.90/9,929,999.85 = 4,100,575.90/x
  3. Step 3: Cross multiply
    6,619,999.90x = 9,929,999.85 × 4,100,575.90
  4. Step 4: Simplify right side
    6,619,999.90x = 40,718,718,071,913.61
  5. Step 5: Solve for x
    x = 40,718,718,071,913.61/6,619,999.90
  6. Step 6: Final answer
    x = 6,150,863.85

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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.