Home / 7,958,065.31-11,928,518.39-3,850,711.17

Finding the Fourth Proportional to 7,958,065.31, 11,928,518.39 and 3,850,711.17

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Solution

The fourth proportional to 7,958,065.31, 11,928,518.39 and 3,850,711.17 is: 5,771,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958,065.31 : 11,928,518.39 = 3,850,711.17 : x
  2. Step 2: Convert to fraction form
    7,958,065.31/11,928,518.39 = 3,850,711.17/x
  3. Step 3: Cross multiply
    7,958,065.31x = 11,928,518.39 × 3,850,711.17
  4. Step 4: Simplify right side
    7,958,065.31x = 45,933,278,986,669.86
  5. Step 5: Solve for x
    x = 45,933,278,986,669.86/7,958,065.31
  6. Step 6: Final answer
    x = 5,771,915.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.