Home / 13,185,818.30-19,777,961.39-3,963,591.65

Finding the Fourth Proportional to 13,185,818.30, 19,777,961.39 and 3,963,591.65

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Solution

The fourth proportional to 13,185,818.30, 19,777,961.39 and 3,963,591.65 is: 5,945,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,818.30 : 19,777,961.39 = 3,963,591.65 : x
  2. Step 2: Convert to fraction form
    13,185,818.30/19,777,961.39 = 3,963,591.65/x
  3. Step 3: Cross multiply
    13,185,818.30x = 19,777,961.39 × 3,963,591.65
  4. Step 4: Simplify right side
    13,185,818.30x = 78,391,762,500,718.64
  5. Step 5: Solve for x
    x = 78,391,762,500,718.64/13,185,818.30
  6. Step 6: Final answer
    x = 5,945,157.19

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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.