Home / 9,309,803.28-12,846,014.61-5,179,728.30

Finding the Fourth Proportional to 9,309,803.28, 12,846,014.61 and 5,179,728.30

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Solution

The fourth proportional to 9,309,803.28, 12,846,014.61 and 5,179,728.30 is: 7,147,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,803.28 : 12,846,014.61 = 5,179,728.30 : x
  2. Step 2: Convert to fraction form
    9,309,803.28/12,846,014.61 = 5,179,728.30/x
  3. Step 3: Cross multiply
    9,309,803.28x = 12,846,014.61 × 5,179,728.30
  4. Step 4: Simplify right side
    9,309,803.28x = 66,538,865,417,630.46
  5. Step 5: Solve for x
    x = 66,538,865,417,630.46/9,309,803.28
  6. Step 6: Final answer
    x = 7,147,182.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.