Home / 18,191,569.80-27,287,354.70-11,734,561.65

Finding the Fourth Proportional to 18,191,569.80, 27,287,354.70 and 11,734,561.65

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Solution

The fourth proportional to 18,191,569.80, 27,287,354.70 and 11,734,561.65 is: 17,601,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,569.80 : 27,287,354.70 = 11,734,561.65 : x
  2. Step 2: Convert to fraction form
    18,191,569.80/27,287,354.70 = 11,734,561.65/x
  3. Step 3: Cross multiply
    18,191,569.80x = 27,287,354.70 × 11,734,561.65
  4. Step 4: Simplify right side
    18,191,569.80x = 320,205,145,992,567.25
  5. Step 5: Solve for x
    x = 320,205,145,992,567.25/18,191,569.80
  6. Step 6: Final answer
    x = 17,601,842.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.