Home / 10,363,450.16-15,558,646.02-7,968,976.31

Finding the Fourth Proportional to 10,363,450.16, 15,558,646.02 and 7,968,976.31

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Solution

The fourth proportional to 10,363,450.16, 15,558,646.02 and 7,968,976.31 is: 11,963,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,450.16 : 15,558,646.02 = 7,968,976.31 : x
  2. Step 2: Convert to fraction form
    10,363,450.16/15,558,646.02 = 7,968,976.31/x
  3. Step 3: Cross multiply
    10,363,450.16x = 15,558,646.02 × 7,968,976.31
  4. Step 4: Simplify right side
    10,363,450.16x = 123,986,481,471,262.55
  5. Step 5: Solve for x
    x = 123,986,481,471,262.55/10,363,450.16
  6. Step 6: Final answer
    x = 11,963,822.82

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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.