Home / 7,171,112.34-9,895,883.66-3,907,860.48

Finding the Fourth Proportional to 7,171,112.34, 9,895,883.66 and 3,907,860.48

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Solution

The fourth proportional to 7,171,112.34, 9,895,883.66 and 3,907,860.48 is: 5,392,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,112.34 : 9,895,883.66 = 3,907,860.48 : x
  2. Step 2: Convert to fraction form
    7,171,112.34/9,895,883.66 = 3,907,860.48/x
  3. Step 3: Cross multiply
    7,171,112.34x = 9,895,883.66 × 3,907,860.48
  4. Step 4: Simplify right side
    7,171,112.34x = 38,671,732,669,591.76
  5. Step 5: Solve for x
    x = 38,671,732,669,591.76/7,171,112.34
  6. Step 6: Final answer
    x = 5,392,710.48

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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.