Home / 10,113,143.85-15,171,815.31-3,381,382.89

Finding the Fourth Proportional to 10,113,143.85, 15,171,815.31 and 3,381,382.89

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Solution

The fourth proportional to 10,113,143.85, 15,171,815.31 and 3,381,382.89 is: 5,072,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113,143.85 : 15,171,815.31 = 3,381,382.89 : x
  2. Step 2: Convert to fraction form
    10,113,143.85/15,171,815.31 = 3,381,382.89/x
  3. Step 3: Cross multiply
    10,113,143.85x = 15,171,815.31 × 3,381,382.89
  4. Step 4: Simplify right side
    10,113,143.85x = 51,301,716,699,474.05
  5. Step 5: Solve for x
    x = 51,301,716,699,474.05/10,113,143.85
  6. Step 6: Final answer
    x = 5,072,776.33

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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.