Home / 20,620,554.95-30,934,815.49-7,840,065.94

Finding the Fourth Proportional to 20,620,554.95, 30,934,815.49 and 7,840,065.94

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Solution

The fourth proportional to 20,620,554.95, 30,934,815.49 and 7,840,065.94 is: 11,761,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,554.95 : 30,934,815.49 = 7,840,065.94 : x
  2. Step 2: Convert to fraction form
    20,620,554.95/30,934,815.49 = 7,840,065.94/x
  3. Step 3: Cross multiply
    20,620,554.95x = 30,934,815.49 × 7,840,065.94
  4. Step 4: Simplify right side
    20,620,554.95x = 242,530,993,166,796.03
  5. Step 5: Solve for x
    x = 242,530,993,166,796.03/20,620,554.95
  6. Step 6: Final answer
    x = 11,761,613.29

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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.