Home / 18,964,719.89-26,171,379.42-10,262,890.20

Finding the Fourth Proportional to 18,964,719.89, 26,171,379.42 and 10,262,890.20

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Solution

The fourth proportional to 18,964,719.89, 26,171,379.42 and 10,262,890.20 is: 14,162,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,719.89 : 26,171,379.42 = 10,262,890.20 : x
  2. Step 2: Convert to fraction form
    18,964,719.89/26,171,379.42 = 10,262,890.20/x
  3. Step 3: Cross multiply
    18,964,719.89x = 26,171,379.42 × 10,262,890.20
  4. Step 4: Simplify right side
    18,964,719.89x = 268,593,993,369,040.75
  5. Step 5: Solve for x
    x = 268,593,993,369,040.75/18,964,719.89
  6. Step 6: Final answer
    x = 14,162,824.17

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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.