Home / 7,138,287.25-10,694,440.10-6,373,012.21

Finding the Fourth Proportional to 7,138,287.25, 10,694,440.10 and 6,373,012.21

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Solution

The fourth proportional to 7,138,287.25, 10,694,440.10 and 6,373,012.21 is: 9,547,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,287.25 : 10,694,440.10 = 6,373,012.21 : x
  2. Step 2: Convert to fraction form
    7,138,287.25/10,694,440.10 = 6,373,012.21/x
  3. Step 3: Cross multiply
    7,138,287.25x = 10,694,440.10 × 6,373,012.21
  4. Step 4: Simplify right side
    7,138,287.25x = 68,155,797,367,838.99
  5. Step 5: Solve for x
    x = 68,155,797,367,838.99/7,138,287.25
  6. Step 6: Final answer
    x = 9,547,920.24

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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.