Home / 9,253,486.86-12,769,810.35-5,179,105.74

Finding the Fourth Proportional to 9,253,486.86, 12,769,810.35 and 5,179,105.74

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Solution

The fourth proportional to 9,253,486.86, 12,769,810.35 and 5,179,105.74 is: 7,147,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253,486.86 : 12,769,810.35 = 5,179,105.74 : x
  2. Step 2: Convert to fraction form
    9,253,486.86/12,769,810.35 = 5,179,105.74/x
  3. Step 3: Cross multiply
    9,253,486.86x = 12,769,810.35 × 5,179,105.74
  4. Step 4: Simplify right side
    9,253,486.86x = 66,136,198,082,396.41
  5. Step 5: Solve for x
    x = 66,136,198,082,396.41/9,253,486.86
  6. Step 6: Final answer
    x = 7,147,165.07

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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.