Home / 7,122,438.67-9,828,973.96-3,859,250.82

Finding the Fourth Proportional to 7,122,438.67, 9,828,973.96 and 3,859,250.82

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Solution

The fourth proportional to 7,122,438.67, 9,828,973.96 and 3,859,250.82 is: 5,325,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,438.67 : 9,828,973.96 = 3,859,250.82 : x
  2. Step 2: Convert to fraction form
    7,122,438.67/9,828,973.96 = 3,859,250.82/x
  3. Step 3: Cross multiply
    7,122,438.67x = 9,828,973.96 × 3,859,250.82
  4. Step 4: Simplify right side
    7,122,438.67x = 37,932,475,823,669.84
  5. Step 5: Solve for x
    x = 37,932,475,823,669.84/7,122,438.67
  6. Step 6: Final answer
    x = 5,325,770.79

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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.