Home / 7,072,386.57-9,759,958.79-3,853,122.57

Finding the Fourth Proportional to 7,072,386.57, 9,759,958.79 and 3,853,122.57

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Solution

The fourth proportional to 7,072,386.57, 9,759,958.79 and 3,853,122.57 is: 5,317,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,386.57 : 9,759,958.79 = 3,853,122.57 : x
  2. Step 2: Convert to fraction form
    7,072,386.57/9,759,958.79 = 3,853,122.57/x
  3. Step 3: Cross multiply
    7,072,386.57x = 9,759,958.79 × 3,853,122.57
  4. Step 4: Simplify right side
    7,072,386.57x = 37,606,317,476,753.27
  5. Step 5: Solve for x
    x = 37,606,317,476,753.27/7,072,386.57
  6. Step 6: Final answer
    x = 5,317,344.73

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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.