Home / 7,212,443.16-9,953,839.26-3,993,179.16

Finding the Fourth Proportional to 7,212,443.16, 9,953,839.26 and 3,993,179.16

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Solution

The fourth proportional to 7,212,443.16, 9,953,839.26 and 3,993,179.16 is: 5,510,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,443.16 : 9,953,839.26 = 3,993,179.16 : x
  2. Step 2: Convert to fraction form
    7,212,443.16/9,953,839.26 = 3,993,179.16/x
  3. Step 3: Cross multiply
    7,212,443.16x = 9,953,839.26 × 3,993,179.16
  4. Step 4: Simplify right side
    7,212,443.16x = 39,747,463,495,021.82
  5. Step 5: Solve for x
    x = 39,747,463,495,021.82/7,212,443.16
  6. Step 6: Final answer
    x = 5,510,956.91

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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.