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Finding the Fourth Proportional to 11,339,168.72, 17,016,723.52 and 10,255,029.12

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Solution

The fourth proportional to 11,339,168.72, 17,016,723.52 and 10,255,029.12 is: 15,389,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339,168.72 : 17,016,723.52 = 10,255,029.12 : x
  2. Step 2: Convert to fraction form
    11,339,168.72/17,016,723.52 = 10,255,029.12/x
  3. Step 3: Cross multiply
    11,339,168.72x = 17,016,723.52 × 10,255,029.12
  4. Step 4: Simplify right side
    11,339,168.72x = 174,506,995,224,588.88
  5. Step 5: Solve for x
    x = 174,506,995,224,588.88/11,339,168.72
  6. Step 6: Final answer
    x = 15,389,752.07

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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.