Home / 10,080,915-15,122,888.86-3,255,200.52

Finding the Fourth Proportional to 10,080,915, 15,122,888.86 and 3,255,200.52

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Solution

The fourth proportional to 10,080,915, 15,122,888.86 and 3,255,200.52 is: 4,883,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,915 : 15,122,888.86 = 3,255,200.52 : x
  2. Step 2: Convert to fraction form
    10,080,915/15,122,888.86 = 3,255,200.52/x
  3. Step 3: Cross multiply
    10,080,915x = 15,122,888.86 × 3,255,200.52
  4. Step 4: Simplify right side
    10,080,915x = 49,228,035,680,974.20
  5. Step 5: Solve for x
    x = 49,228,035,680,974.20/10,080,915
  6. Step 6: Final answer
    x = 4,883,290.42

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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.