Home / 13,599,557.92-18,767,850.54-7,404,844.88

Finding the Fourth Proportional to 13,599,557.92, 18,767,850.54 and 7,404,844.88

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Solution

The fourth proportional to 13,599,557.92, 18,767,850.54 and 7,404,844.88 is: 10,218,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,557.92 : 18,767,850.54 = 7,404,844.88 : x
  2. Step 2: Convert to fraction form
    13,599,557.92/18,767,850.54 = 7,404,844.88/x
  3. Step 3: Cross multiply
    13,599,557.92x = 18,767,850.54 × 7,404,844.88
  4. Step 4: Simplify right side
    13,599,557.92x = 138,973,021,979,724.22
  5. Step 5: Solve for x
    x = 138,973,021,979,724.22/13,599,557.92
  6. Step 6: Final answer
    x = 10,218,936.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.