Home / 7,286,861.71-10,056,755.78-4,231,075.96

Finding the Fourth Proportional to 7,286,861.71, 10,056,755.78 and 4,231,075.96

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Solution

The fourth proportional to 7,286,861.71, 10,056,755.78 and 4,231,075.96 is: 5,839,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286,861.71 : 10,056,755.78 = 4,231,075.96 : x
  2. Step 2: Convert to fraction form
    7,286,861.71/10,056,755.78 = 4,231,075.96/x
  3. Step 3: Cross multiply
    7,286,861.71x = 10,056,755.78 × 4,231,075.96
  4. Step 4: Simplify right side
    7,286,861.71x = 42,550,897,616,349.05
  5. Step 5: Solve for x
    x = 42,550,897,616,349.05/7,286,861.71
  6. Step 6: Final answer
    x = 5,839,399.64

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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.