Home / 7,203,715.16-9,940,996.35-3,940,501.34

Finding the Fourth Proportional to 7,203,715.16, 9,940,996.35 and 3,940,501.34

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Solution

The fourth proportional to 7,203,715.16, 9,940,996.35 and 3,940,501.34 is: 5,437,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203,715.16 : 9,940,996.35 = 3,940,501.34 : x
  2. Step 2: Convert to fraction form
    7,203,715.16/9,940,996.35 = 3,940,501.34/x
  3. Step 3: Cross multiply
    7,203,715.16x = 9,940,996.35 × 3,940,501.34
  4. Step 4: Simplify right side
    7,203,715.16x = 39,172,509,435,004.54
  5. Step 5: Solve for x
    x = 39,172,509,435,004.54/7,203,715.16
  6. Step 6: Final answer
    x = 5,437,820.43

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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.