Home / 10,363,450.79-15,558,646.97-7,968,976.93

Finding the Fourth Proportional to 10,363,450.79, 15,558,646.97 and 7,968,976.93

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Solution

The fourth proportional to 10,363,450.79, 15,558,646.97 and 7,968,976.93 is: 11,963,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,450.79 : 15,558,646.97 = 7,968,976.93 : x
  2. Step 2: Convert to fraction form
    10,363,450.79/15,558,646.97 = 7,968,976.93/x
  3. Step 3: Cross multiply
    10,363,450.79x = 15,558,646.97 × 7,968,976.93
  4. Step 4: Simplify right side
    10,363,450.79x = 123,986,498,765,944.41
  5. Step 5: Solve for x
    x = 123,986,498,765,944.41/10,363,450.79
  6. Step 6: Final answer
    x = 11,963,823.76

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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.