Home / 7,880,543.28-11,819,836.44-2,123,727

Finding the Fourth Proportional to 7,880,543.28, 11,819,836.44 and 2,123,727

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Solution

The fourth proportional to 7,880,543.28, 11,819,836.44 and 2,123,727 is: 3,185,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,543.28 : 11,819,836.44 = 2,123,727 : x
  2. Step 2: Convert to fraction form
    7,880,543.28/11,819,836.44 = 2,123,727/x
  3. Step 3: Cross multiply
    7,880,543.28x = 11,819,836.44 × 2,123,727
  4. Step 4: Simplify right side
    7,880,543.28x = 25,102,105,783,211.88
  5. Step 5: Solve for x
    x = 25,102,105,783,211.88/7,880,543.28
  6. Step 6: Final answer
    x = 3,185,326.81

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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.