Home / 28,082,769.40-42,040,173.30-26,421,815.80

Finding the Fourth Proportional to 28,082,769.40, 42,040,173.30 and 26,421,815.80

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Solution

The fourth proportional to 28,082,769.40, 42,040,173.30 and 26,421,815.80 is: 39,553,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,769.40 : 42,040,173.30 = 26,421,815.80 : x
  2. Step 2: Convert to fraction form
    28,082,769.40/42,040,173.30 = 26,421,815.80/x
  3. Step 3: Cross multiply
    28,082,769.40x = 42,040,173.30 × 26,421,815.80
  4. Step 4: Simplify right side
    28,082,769.40x = 1,110,777,715,132,678.12
  5. Step 5: Solve for x
    x = 1,110,777,715,132,678.12/28,082,769.40
  6. Step 6: Final answer
    x = 39,553,709.94

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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.