Home / 18,676,433-25,785,470.40-11,716,650.56

Finding the Fourth Proportional to 18,676,433, 25,785,470.40 and 11,716,650.56

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Solution

The fourth proportional to 18,676,433, 25,785,470.40 and 11,716,650.56 is: 16,176,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676,433 : 25,785,470.40 = 11,716,650.56 : x
  2. Step 2: Convert to fraction form
    18,676,433/25,785,470.40 = 11,716,650.56/x
  3. Step 3: Cross multiply
    18,676,433x = 25,785,470.40 × 11,716,650.56
  4. Step 4: Simplify right side
    18,676,433x = 302,119,346,202,023.44
  5. Step 5: Solve for x
    x = 302,119,346,202,023.44/18,676,433
  6. Step 6: Final answer
    x = 16,176,501.49

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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.