Home / 7,171,126.62-9,895,866.75-3,907,871.79

Finding the Fourth Proportional to 7,171,126.62, 9,895,866.75 and 3,907,871.79

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Solution

The fourth proportional to 7,171,126.62, 9,895,866.75 and 3,907,871.79 is: 5,392,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,126.62 : 9,895,866.75 = 3,907,871.79 : x
  2. Step 2: Convert to fraction form
    7,171,126.62/9,895,866.75 = 3,907,871.79/x
  3. Step 3: Cross multiply
    7,171,126.62x = 9,895,866.75 × 3,907,871.79
  4. Step 4: Simplify right side
    7,171,126.62x = 38,671,778,509,923.98
  5. Step 5: Solve for x
    x = 38,671,778,509,923.98/7,171,126.62
  6. Step 6: Final answer
    x = 5,392,706.13

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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.