Home / 18,486,842.08-25,503,245.28-11,962,580.16

Finding the Fourth Proportional to 18,486,842.08, 25,503,245.28 and 11,962,580.16

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Solution

The fourth proportional to 18,486,842.08, 25,503,245.28 and 11,962,580.16 is: 16,502,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,842.08 : 25,503,245.28 = 11,962,580.16 : x
  2. Step 2: Convert to fraction form
    18,486,842.08/25,503,245.28 = 11,962,580.16/x
  3. Step 3: Cross multiply
    18,486,842.08x = 25,503,245.28 × 11,962,580.16
  4. Step 4: Simplify right side
    18,486,842.08x = 305,084,616,002,141.69
  5. Step 5: Solve for x
    x = 305,084,616,002,141.69/18,486,842.08
  6. Step 6: Final answer
    x = 16,502,797.76

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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.