Home / 7,448,059.20-11,172,088.80-3,854,927.55

Finding the Fourth Proportional to 7,448,059.20, 11,172,088.80 and 3,854,927.55

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Solution

The fourth proportional to 7,448,059.20, 11,172,088.80 and 3,854,927.55 is: 5,782,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,059.20 : 11,172,088.80 = 3,854,927.55 : x
  2. Step 2: Convert to fraction form
    7,448,059.20/11,172,088.80 = 3,854,927.55/x
  3. Step 3: Cross multiply
    7,448,059.20x = 11,172,088.80 × 3,854,927.55
  4. Step 4: Simplify right side
    7,448,059.20x = 43,067,592,906,166.44
  5. Step 5: Solve for x
    x = 43,067,592,906,166.44/7,448,059.20
  6. Step 6: Final answer
    x = 5,782,391.33

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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.