Home / 7,002,824.31-9,663,971.39-3,947,038.56

Finding the Fourth Proportional to 7,002,824.31, 9,663,971.39 and 3,947,038.56

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Solution

The fourth proportional to 7,002,824.31, 9,663,971.39 and 3,947,038.56 is: 5,446,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,824.31 : 9,663,971.39 = 3,947,038.56 : x
  2. Step 2: Convert to fraction form
    7,002,824.31/9,663,971.39 = 3,947,038.56/x
  3. Step 3: Cross multiply
    7,002,824.31x = 9,663,971.39 × 3,947,038.56
  4. Step 4: Simplify right side
    7,002,824.31x = 38,144,067,699,331.60
  5. Step 5: Solve for x
    x = 38,144,067,699,331.60/7,002,824.31
  6. Step 6: Final answer
    x = 5,446,954.83

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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.