Home / 21,505,310.80-32,257,966.20-8,731,934.80

Finding the Fourth Proportional to 21,505,310.80, 32,257,966.20 and 8,731,934.80

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Solution

The fourth proportional to 21,505,310.80, 32,257,966.20 and 8,731,934.80 is: 13,097,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,310.80 : 32,257,966.20 = 8,731,934.80 : x
  2. Step 2: Convert to fraction form
    21,505,310.80/32,257,966.20 = 8,731,934.80/x
  3. Step 3: Cross multiply
    21,505,310.80x = 32,257,966.20 × 8,731,934.80
  4. Step 4: Simplify right side
    21,505,310.80x = 281,674,457,639,003.75
  5. Step 5: Solve for x
    x = 281,674,457,639,003.75/21,505,310.80
  6. Step 6: Final answer
    x = 13,097,902.20

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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.