Home / 13,173,888-18,179,965.44-7,144,576

Finding the Fourth Proportional to 13,173,888, 18,179,965.44 and 7,144,576

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Solution

The fourth proportional to 13,173,888, 18,179,965.44 and 7,144,576 is: 9,859,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,888 : 18,179,965.44 = 7,144,576 : x
  2. Step 2: Convert to fraction form
    13,173,888/18,179,965.44 = 7,144,576/x
  3. Step 3: Cross multiply
    13,173,888x = 18,179,965.44 × 7,144,576
  4. Step 4: Simplify right side
    13,173,888x = 129,888,144,763,453.45
  5. Step 5: Solve for x
    x = 129,888,144,763,453.45/13,173,888
  6. Step 6: Final answer
    x = 9,859,514.88

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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.