Home / 20,890,950.60-31,336,425.90-16,107,981.60

Finding the Fourth Proportional to 20,890,950.60, 31,336,425.90 and 16,107,981.60

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Solution

The fourth proportional to 20,890,950.60, 31,336,425.90 and 16,107,981.60 is: 24,161,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890,950.60 : 31,336,425.90 = 16,107,981.60 : x
  2. Step 2: Convert to fraction form
    20,890,950.60/31,336,425.90 = 16,107,981.60/x
  3. Step 3: Cross multiply
    20,890,950.60x = 31,336,425.90 × 16,107,981.60
  4. Step 4: Simplify right side
    20,890,950.60x = 504,766,571,806,963.38
  5. Step 5: Solve for x
    x = 504,766,571,806,963.38/20,890,950.60
  6. Step 6: Final answer
    x = 24,161,972.40

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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.