Home / 27,661,842.24-38,173,319.76-15,271,952.64

Finding the Fourth Proportional to 27,661,842.24, 38,173,319.76 and 15,271,952.64

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Solution

The fourth proportional to 27,661,842.24, 38,173,319.76 and 15,271,952.64 is: 21,075,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661,842.24 : 38,173,319.76 = 15,271,952.64 : x
  2. Step 2: Convert to fraction form
    27,661,842.24/38,173,319.76 = 15,271,952.64/x
  3. Step 3: Cross multiply
    27,661,842.24x = 38,173,319.76 × 15,271,952.64
  4. Step 4: Simplify right side
    27,661,842.24x = 582,981,131,486,296.12
  5. Step 5: Solve for x
    x = 582,981,131,486,296.12/27,661,842.24
  6. Step 6: Final answer
    x = 21,075,282.20

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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.