Home / 13,320,323.30-18,382,045.92-7,208,751.80

Finding the Fourth Proportional to 13,320,323.30, 18,382,045.92 and 7,208,751.80

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Solution

The fourth proportional to 13,320,323.30, 18,382,045.92 and 7,208,751.80 is: 9,948,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,323.30 : 18,382,045.92 = 7,208,751.80 : x
  2. Step 2: Convert to fraction form
    13,320,323.30/18,382,045.92 = 7,208,751.80/x
  3. Step 3: Cross multiply
    13,320,323.30x = 18,382,045.92 × 7,208,751.80
  4. Step 4: Simplify right side
    13,320,323.30x = 132,511,606,613,482.67
  5. Step 5: Solve for x
    x = 132,511,606,613,482.67/13,320,323.30
  6. Step 6: Final answer
    x = 9,948,077.36

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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.