Home / 6,651,775.20-9,980,600.40-3,238,168.80

Finding the Fourth Proportional to 6,651,775.20, 9,980,600.40 and 3,238,168.80

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Solution

The fourth proportional to 6,651,775.20, 9,980,600.40 and 3,238,168.80 is: 4,858,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,775.20 : 9,980,600.40 = 3,238,168.80 : x
  2. Step 2: Convert to fraction form
    6,651,775.20/9,980,600.40 = 3,238,168.80/x
  3. Step 3: Cross multiply
    6,651,775.20x = 9,980,600.40 × 3,238,168.80
  4. Step 4: Simplify right side
    6,651,775.20x = 32,318,868,820,547.52
  5. Step 5: Solve for x
    x = 32,318,868,820,547.52/6,651,775.20
  6. Step 6: Final answer
    x = 4,858,683.26

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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.