Home / 18,835,711.13-25,986,718.26-11,867,011.13

Finding the Fourth Proportional to 18,835,711.13, 25,986,718.26 and 11,867,011.13

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Solution

The fourth proportional to 18,835,711.13, 25,986,718.26 and 11,867,011.13 is: 16,372,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835,711.13 : 25,986,718.26 = 11,867,011.13 : x
  2. Step 2: Convert to fraction form
    18,835,711.13/25,986,718.26 = 11,867,011.13/x
  3. Step 3: Cross multiply
    18,835,711.13x = 25,986,718.26 × 11,867,011.13
  4. Step 4: Simplify right side
    18,835,711.13x = 308,384,674,823,594.25
  5. Step 5: Solve for x
    x = 308,384,674,823,594.25/18,835,711.13
  6. Step 6: Final answer
    x = 16,372,340.43

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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.