Home / 13,320,367.44-18,382,098.87-7,519,199.28

Finding the Fourth Proportional to 13,320,367.44, 18,382,098.87 and 7,519,199.28

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Solution

The fourth proportional to 13,320,367.44, 18,382,098.87 and 7,519,199.28 is: 10,376,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,367.44 : 18,382,098.87 = 7,519,199.28 : x
  2. Step 2: Convert to fraction form
    13,320,367.44/18,382,098.87 = 7,519,199.28/x
  3. Step 3: Cross multiply
    13,320,367.44x = 18,382,098.87 × 7,519,199.28
  4. Step 4: Simplify right side
    13,320,367.44x = 138,218,664,588,192.83
  5. Step 5: Solve for x
    x = 138,218,664,588,192.83/13,320,367.44
  6. Step 6: Final answer
    x = 10,376,490.38

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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.