Home / 9,328,523.12-12,873,186.96-5,198,463.28

Finding the Fourth Proportional to 9,328,523.12, 12,873,186.96 and 5,198,463.28

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Solution

The fourth proportional to 9,328,523.12, 12,873,186.96 and 5,198,463.28 is: 7,173,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,523.12 : 12,873,186.96 = 5,198,463.28 : x
  2. Step 2: Convert to fraction form
    9,328,523.12/12,873,186.96 = 5,198,463.28/x
  3. Step 3: Cross multiply
    9,328,523.12x = 12,873,186.96 × 5,198,463.28
  4. Step 4: Simplify right side
    9,328,523.12x = 66,920,789,708,134.84
  5. Step 5: Solve for x
    x = 66,920,789,708,134.84/9,328,523.12
  6. Step 6: Final answer
    x = 7,173,781.84

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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.