Home / 20,151,674.91-27,787,334.72-13,613,952.69

Finding the Fourth Proportional to 20,151,674.91, 27,787,334.72 and 13,613,952.69

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Solution

The fourth proportional to 20,151,674.91, 27,787,334.72 and 13,613,952.69 is: 18,772,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,674.91 : 27,787,334.72 = 13,613,952.69 : x
  2. Step 2: Convert to fraction form
    20,151,674.91/27,787,334.72 = 13,613,952.69/x
  3. Step 3: Cross multiply
    20,151,674.91x = 27,787,334.72 × 13,613,952.69
  4. Step 4: Simplify right side
    20,151,674.91x = 378,295,460,191,204.62
  5. Step 5: Solve for x
    x = 378,295,460,191,204.62/20,151,674.91
  6. Step 6: Final answer
    x = 18,772,407.85

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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.