Home / 21,384,008.20-32,076,012.30-12,314,081.80

Finding the Fourth Proportional to 21,384,008.20, 32,076,012.30 and 12,314,081.80

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Solution

The fourth proportional to 21,384,008.20, 32,076,012.30 and 12,314,081.80 is: 18,471,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,008.20 : 32,076,012.30 = 12,314,081.80 : x
  2. Step 2: Convert to fraction form
    21,384,008.20/32,076,012.30 = 12,314,081.80/x
  3. Step 3: Cross multiply
    21,384,008.20x = 32,076,012.30 × 12,314,081.80
  4. Step 4: Simplify right side
    21,384,008.20x = 394,986,639,280,006.19
  5. Step 5: Solve for x
    x = 394,986,639,280,006.19/21,384,008.20
  6. Step 6: Final answer
    x = 18,471,122.70

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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.