Home / 9,857,643.20-14,785,082.40-3,126,737.60

Finding the Fourth Proportional to 9,857,643.20, 14,785,082.40 and 3,126,737.60

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Solution

The fourth proportional to 9,857,643.20, 14,785,082.40 and 3,126,737.60 is: 4,689,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857,643.20 : 14,785,082.40 = 3,126,737.60 : x
  2. Step 2: Convert to fraction form
    9,857,643.20/14,785,082.40 = 3,126,737.60/x
  3. Step 3: Cross multiply
    9,857,643.20x = 14,785,082.40 × 3,126,737.60
  4. Step 4: Simplify right side
    9,857,643.20x = 46,229,073,059,178.24
  5. Step 5: Solve for x
    x = 46,229,073,059,178.24/9,857,643.20
  6. Step 6: Final answer
    x = 4,689,667.92

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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.