Home / 7,172,395.40-10,751,594.70-6,416,568.20

Finding the Fourth Proportional to 7,172,395.40, 10,751,594.70 and 6,416,568.20

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Solution

The fourth proportional to 7,172,395.40, 10,751,594.70 and 6,416,568.20 is: 9,618,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,395.40 : 10,751,594.70 = 6,416,568.20 : x
  2. Step 2: Convert to fraction form
    7,172,395.40/10,751,594.70 = 6,416,568.20/x
  3. Step 3: Cross multiply
    7,172,395.40x = 10,751,594.70 × 6,416,568.20
  4. Step 4: Simplify right side
    7,172,395.40x = 68,988,340,651,308.54
  5. Step 5: Solve for x
    x = 68,988,340,651,308.54/7,172,395.40
  6. Step 6: Final answer
    x = 9,618,591.39

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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.