Home / 20,049,920.79-27,668,149.79-10,882,366.71

Finding the Fourth Proportional to 20,049,920.79, 27,668,149.79 and 10,882,366.71

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Solution

The fourth proportional to 20,049,920.79, 27,668,149.79 and 10,882,366.71 is: 15,017,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,920.79 : 27,668,149.79 = 10,882,366.71 : x
  2. Step 2: Convert to fraction form
    20,049,920.79/27,668,149.79 = 10,882,366.71/x
  3. Step 3: Cross multiply
    20,049,920.79x = 27,668,149.79 × 10,882,366.71
  4. Step 4: Simplify right side
    20,049,920.79x = 301,094,952,201,989.50
  5. Step 5: Solve for x
    x = 301,094,952,201,989.50/20,049,920.79
  6. Step 6: Final answer
    x = 15,017,263.93

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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.