Home / 19,136,695.44-26,387,186.76-15,641,189.04

Finding the Fourth Proportional to 19,136,695.44, 26,387,186.76 and 15,641,189.04

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Solution

The fourth proportional to 19,136,695.44, 26,387,186.76 and 15,641,189.04 is: 21,567,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136,695.44 : 26,387,186.76 = 15,641,189.04 : x
  2. Step 2: Convert to fraction form
    19,136,695.44/26,387,186.76 = 15,641,189.04/x
  3. Step 3: Cross multiply
    19,136,695.44x = 26,387,186.76 × 15,641,189.04
  4. Step 4: Simplify right side
    19,136,695.44x = 412,726,976,346,945.12
  5. Step 5: Solve for x
    x = 412,726,976,346,945.12/19,136,695.44
  6. Step 6: Final answer
    x = 21,567,306.52

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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.