Home / 13,246,921.88-19,870,384.36-4,149,728.38

Finding the Fourth Proportional to 13,246,921.88, 19,870,384.36 and 4,149,728.38

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Solution

The fourth proportional to 13,246,921.88, 19,870,384.36 and 4,149,728.38 is: 6,224,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246,921.88 : 19,870,384.36 = 4,149,728.38 : x
  2. Step 2: Convert to fraction form
    13,246,921.88/19,870,384.36 = 4,149,728.38/x
  3. Step 3: Cross multiply
    13,246,921.88x = 19,870,384.36 × 4,149,728.38
  4. Step 4: Simplify right side
    13,246,921.88x = 82,456,697,850,288.55
  5. Step 5: Solve for x
    x = 82,456,697,850,288.55/13,246,921.88
  6. Step 6: Final answer
    x = 6,224,593.05

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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.