Home / 13,320,310.77-18,382,028.64-7,208,739.27

Finding the Fourth Proportional to 13,320,310.77, 18,382,028.64 and 7,208,739.27

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Solution

The fourth proportional to 13,320,310.77, 18,382,028.64 and 7,208,739.27 is: 9,948,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,310.77 : 18,382,028.64 = 7,208,739.27 : x
  2. Step 2: Convert to fraction form
    13,320,310.77/18,382,028.64 = 7,208,739.27/x
  3. Step 3: Cross multiply
    13,320,310.77x = 18,382,028.64 × 7,208,739.27
  4. Step 4: Simplify right side
    13,320,310.77x = 132,511,251,719,432.69
  5. Step 5: Solve for x
    x = 132,511,251,719,432.69/13,320,310.77
  6. Step 6: Final answer
    x = 9,948,060.07

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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.