Home / 21,908,667.66-32,865,990.69-9,126,183.02

Finding the Fourth Proportional to 21,908,667.66, 32,865,990.69 and 9,126,183.02

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Solution

The fourth proportional to 21,908,667.66, 32,865,990.69 and 9,126,183.02 is: 13,690,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908,667.66 : 32,865,990.69 = 9,126,183.02 : x
  2. Step 2: Convert to fraction form
    21,908,667.66/32,865,990.69 = 9,126,183.02/x
  3. Step 3: Cross multiply
    21,908,667.66x = 32,865,990.69 × 9,126,183.02
  4. Step 4: Simplify right side
    21,908,667.66x = 299,941,046,006,226.19
  5. Step 5: Solve for x
    x = 299,941,046,006,226.19/21,908,667.66
  6. Step 6: Final answer
    x = 13,690,519.69

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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.