Home / 21,908,668.41-32,865,991.83-9,126,183.76

Finding the Fourth Proportional to 21,908,668.41, 32,865,991.83 and 9,126,183.76

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Solution

The fourth proportional to 21,908,668.41, 32,865,991.83 and 9,126,183.76 is: 13,690,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908,668.41 : 32,865,991.83 = 9,126,183.76 : x
  2. Step 2: Convert to fraction form
    21,908,668.41/32,865,991.83 = 9,126,183.76/x
  3. Step 3: Cross multiply
    21,908,668.41x = 32,865,991.83 × 9,126,183.76
  4. Step 4: Simplify right side
    21,908,668.41x = 299,941,080,813,073.69
  5. Step 5: Solve for x
    x = 299,941,080,813,073.69/21,908,668.41
  6. Step 6: Final answer
    x = 13,690,520.81

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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.