Home / 20,737,765.20-31,106,647.80-16,454,744.40

Finding the Fourth Proportional to 20,737,765.20, 31,106,647.80 and 16,454,744.40

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Solution

The fourth proportional to 20,737,765.20, 31,106,647.80 and 16,454,744.40 is: 24,682,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,765.20 : 31,106,647.80 = 16,454,744.40 : x
  2. Step 2: Convert to fraction form
    20,737,765.20/31,106,647.80 = 16,454,744.40/x
  3. Step 3: Cross multiply
    20,737,765.20x = 31,106,647.80 × 16,454,744.40
  4. Step 4: Simplify right side
    20,737,765.20x = 511,851,938,689,822.38
  5. Step 5: Solve for x
    x = 511,851,938,689,822.38/20,737,765.20
  6. Step 6: Final answer
    x = 24,682,116.60

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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.