Home / 12,268,321.04-16,930,060.80-6,686,615.84

Finding the Fourth Proportional to 12,268,321.04, 16,930,060.80 and 6,686,615.84

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Solution

The fourth proportional to 12,268,321.04, 16,930,060.80 and 6,686,615.84 is: 9,227,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,321.04 : 16,930,060.80 = 6,686,615.84 : x
  2. Step 2: Convert to fraction form
    12,268,321.04/16,930,060.80 = 6,686,615.84/x
  3. Step 3: Cross multiply
    12,268,321.04x = 16,930,060.80 × 6,686,615.84
  4. Step 4: Simplify right side
    12,268,321.04x = 113,204,812,717,443.08
  5. Step 5: Solve for x
    x = 113,204,812,717,443.08/12,268,321.04
  6. Step 6: Final answer
    x = 9,227,408.73

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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.