Home / 7,244,416.80-10,866,625.20-7,138,128.60

Finding the Fourth Proportional to 7,244,416.80, 10,866,625.20 and 7,138,128.60

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Solution

The fourth proportional to 7,244,416.80, 10,866,625.20 and 7,138,128.60 is: 10,707,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,416.80 : 10,866,625.20 = 7,138,128.60 : x
  2. Step 2: Convert to fraction form
    7,244,416.80/10,866,625.20 = 7,138,128.60/x
  3. Step 3: Cross multiply
    7,244,416.80x = 10,866,625.20 × 7,138,128.60
  4. Step 4: Simplify right side
    7,244,416.80x = 77,567,368,125,600.70
  5. Step 5: Solve for x
    x = 77,567,368,125,600.70/7,244,416.80
  6. Step 6: Final answer
    x = 10,707,192.90

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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.