Home / 25,391,666.58-38,082,540.42-8,115,233.22

Finding the Fourth Proportional to 25,391,666.58, 38,082,540.42 and 8,115,233.22

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Solution

The fourth proportional to 25,391,666.58, 38,082,540.42 and 8,115,233.22 is: 12,171,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391,666.58 : 38,082,540.42 = 8,115,233.22 : x
  2. Step 2: Convert to fraction form
    25,391,666.58/38,082,540.42 = 8,115,233.22/x
  3. Step 3: Cross multiply
    25,391,666.58x = 38,082,540.42 × 8,115,233.22
  4. Step 4: Simplify right side
    25,391,666.58x = 309,048,697,118,376.75
  5. Step 5: Solve for x
    x = 309,048,697,118,376.75/25,391,666.58
  6. Step 6: Final answer
    x = 12,171,264.78

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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.