Home / 15,550,390.37-21,463,807.49-9,026,121.72

Finding the Fourth Proportional to 15,550,390.37, 21,463,807.49 and 9,026,121.72

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Solution

The fourth proportional to 15,550,390.37, 21,463,807.49 and 9,026,121.72 is: 12,458,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,390.37 : 21,463,807.49 = 9,026,121.72 : x
  2. Step 2: Convert to fraction form
    15,550,390.37/21,463,807.49 = 9,026,121.72/x
  3. Step 3: Cross multiply
    15,550,390.37x = 21,463,807.49 × 9,026,121.72
  4. Step 4: Simplify right side
    15,550,390.37x = 193,734,938,979,387.69
  5. Step 5: Solve for x
    x = 193,734,938,979,387.69/15,550,390.37
  6. Step 6: Final answer
    x = 12,458,525.76

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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.