Home / 31,916,855.28-47,946,141.72-19,795,276.56

Finding the Fourth Proportional to 31,916,855.28, 47,946,141.72 and 19,795,276.56

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Solution

The fourth proportional to 31,916,855.28, 47,946,141.72 and 19,795,276.56 is: 29,736,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916,855.28 : 47,946,141.72 = 19,795,276.56 : x
  2. Step 2: Convert to fraction form
    31,916,855.28/47,946,141.72 = 19,795,276.56/x
  3. Step 3: Cross multiply
    31,916,855.28x = 47,946,141.72 × 19,795,276.56
  4. Step 4: Simplify right side
    31,916,855.28x = 949,107,135,332,354
  5. Step 5: Solve for x
    x = 949,107,135,332,354/31,916,855.28
  6. Step 6: Final answer
    x = 29,736,862.45

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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.