Home / 18,226,555.74-25,140,796.20-11,689,831.44

Finding the Fourth Proportional to 18,226,555.74, 25,140,796.20 and 11,689,831.44

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Solution

The fourth proportional to 18,226,555.74, 25,140,796.20 and 11,689,831.44 is: 16,124,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226,555.74 : 25,140,796.20 = 11,689,831.44 : x
  2. Step 2: Convert to fraction form
    18,226,555.74/25,140,796.20 = 11,689,831.44/x
  3. Step 3: Cross multiply
    18,226,555.74x = 25,140,796.20 × 11,689,831.44
  4. Step 4: Simplify right side
    18,226,555.74x = 293,891,669,845,392.50
  5. Step 5: Solve for x
    x = 293,891,669,845,392.50/18,226,555.74
  6. Step 6: Final answer
    x = 16,124,366.78

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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.