Home / 20,049,921.79-27,668,151.17-10,882,367.71

Finding the Fourth Proportional to 20,049,921.79, 27,668,151.17 and 10,882,367.71

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Solution

The fourth proportional to 20,049,921.79, 27,668,151.17 and 10,882,367.71 is: 15,017,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,921.79 : 27,668,151.17 = 10,882,367.71 : x
  2. Step 2: Convert to fraction form
    20,049,921.79/27,668,151.17 = 10,882,367.71/x
  3. Step 3: Cross multiply
    20,049,921.79x = 27,668,151.17 × 10,882,367.71
  4. Step 4: Simplify right side
    20,049,921.79x = 301,094,994,887,806.75
  5. Step 5: Solve for x
    x = 301,094,994,887,806.75/20,049,921.79
  6. Step 6: Final answer
    x = 15,017,265.31

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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.