Home / 10,080,509.60-15,120,764.40-6,049,431.20

Finding the Fourth Proportional to 10,080,509.60, 15,120,764.40 and 6,049,431.20

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Solution

The fourth proportional to 10,080,509.60, 15,120,764.40 and 6,049,431.20 is: 9,074,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,509.60 : 15,120,764.40 = 6,049,431.20 : x
  2. Step 2: Convert to fraction form
    10,080,509.60/15,120,764.40 = 6,049,431.20/x
  3. Step 3: Cross multiply
    10,080,509.60x = 15,120,764.40 × 6,049,431.20
  4. Step 4: Simplify right side
    10,080,509.60x = 91,472,023,929,209.28
  5. Step 5: Solve for x
    x = 91,472,023,929,209.28/10,080,509.60
  6. Step 6: Final answer
    x = 9,074,146.80

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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.