Home / 13,789,609.68-20,685,827.28-5,277,105.84

Finding the Fourth Proportional to 13,789,609.68, 20,685,827.28 and 5,277,105.84

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Solution

The fourth proportional to 13,789,609.68, 20,685,827.28 and 5,277,105.84 is: 7,916,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,609.68 : 20,685,827.28 = 5,277,105.84 : x
  2. Step 2: Convert to fraction form
    13,789,609.68/20,685,827.28 = 5,277,105.84/x
  3. Step 3: Cross multiply
    13,789,609.68x = 20,685,827.28 × 5,277,105.84
  4. Step 4: Simplify right side
    13,789,609.68x = 109,161,299,944,519.31
  5. Step 5: Solve for x
    x = 109,161,299,944,519.31/13,789,609.68
  6. Step 6: Final answer
    x = 7,916,199.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.