Home / 10,519,630-15,766,272.54-5,649,969.52

Finding the Fourth Proportional to 10,519,630, 15,766,272.54 and 5,649,969.52

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Solution

The fourth proportional to 10,519,630, 15,766,272.54 and 5,649,969.52 is: 8,467,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,630 : 15,766,272.54 = 5,649,969.52 : x
  2. Step 2: Convert to fraction form
    10,519,630/15,766,272.54 = 5,649,969.52/x
  3. Step 3: Cross multiply
    10,519,630x = 15,766,272.54 × 5,649,969.52
  4. Step 4: Simplify right side
    10,519,630x = 89,078,959,295,012.97
  5. Step 5: Solve for x
    x = 89,078,959,295,012.97/10,519,630
  6. Step 6: Final answer
    x = 8,467,879.51

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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.