Home / 20,737,868.20-31,106,802.30-16,454,847.40

Finding the Fourth Proportional to 20,737,868.20, 31,106,802.30 and 16,454,847.40

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Solution

The fourth proportional to 20,737,868.20, 31,106,802.30 and 16,454,847.40 is: 24,682,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,868.20 : 31,106,802.30 = 16,454,847.40 : x
  2. Step 2: Convert to fraction form
    20,737,868.20/31,106,802.30 = 16,454,847.40/x
  3. Step 3: Cross multiply
    20,737,868.20x = 31,106,802.30 × 16,454,847.40
  4. Step 4: Simplify right side
    20,737,868.20x = 511,857,684,948,469.06
  5. Step 5: Solve for x
    x = 511,857,684,948,469.06/20,737,868.20
  6. Step 6: Final answer
    x = 24,682,271.10

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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.