Home / 12,882,623.44-17,778,057.26-7,376,082.77

Finding the Fourth Proportional to 12,882,623.44, 17,778,057.26 and 7,376,082.77

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Solution

The fourth proportional to 12,882,623.44, 17,778,057.26 and 7,376,082.77 is: 10,179,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,623.44 : 17,778,057.26 = 7,376,082.77 : x
  2. Step 2: Convert to fraction form
    12,882,623.44/17,778,057.26 = 7,376,082.77/x
  3. Step 3: Cross multiply
    12,882,623.44x = 17,778,057.26 × 7,376,082.77
  4. Step 4: Simplify right side
    12,882,623.44x = 131,132,421,713,788.70
  5. Step 5: Solve for x
    x = 131,132,421,713,788.70/12,882,623.44
  6. Step 6: Final answer
    x = 10,179,015.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.