Home / 10,363,464.45-15,558,667.38-7,968,990.56

Finding the Fourth Proportional to 10,363,464.45, 15,558,667.38 and 7,968,990.56

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Solution

The fourth proportional to 10,363,464.45, 15,558,667.38 and 7,968,990.56 is: 11,963,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,464.45 : 15,558,667.38 = 7,968,990.56 : x
  2. Step 2: Convert to fraction form
    10,363,464.45/15,558,667.38 = 7,968,990.56/x
  3. Step 3: Cross multiply
    10,363,464.45x = 15,558,667.38 × 7,968,990.56
  4. Step 4: Simplify right side
    10,363,464.45x = 123,986,873,399,606.59
  5. Step 5: Solve for x
    x = 123,986,873,399,606.59/10,363,464.45
  6. Step 6: Final answer
    x = 11,963,844.14

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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.