Home / 21,877,334.80-32,816,002.20-12,919,382.80

Finding the Fourth Proportional to 21,877,334.80, 32,816,002.20 and 12,919,382.80

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Solution

The fourth proportional to 21,877,334.80, 32,816,002.20 and 12,919,382.80 is: 19,379,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877,334.80 : 32,816,002.20 = 12,919,382.80 : x
  2. Step 2: Convert to fraction form
    21,877,334.80/32,816,002.20 = 12,919,382.80/x
  3. Step 3: Cross multiply
    21,877,334.80x = 32,816,002.20 × 12,919,382.80
  4. Step 4: Simplify right side
    21,877,334.80x = 423,962,494,387,442.19
  5. Step 5: Solve for x
    x = 423,962,494,387,442.19/21,877,334.80
  6. Step 6: Final answer
    x = 19,379,074.20

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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.