Home / 6,912,361.40-9,539,595.06-3,815,491.64

Finding the Fourth Proportional to 6,912,361.40, 9,539,595.06 and 3,815,491.64

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Solution

The fourth proportional to 6,912,361.40, 9,539,595.06 and 3,815,491.64 is: 5,265,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,361.40 : 9,539,595.06 = 3,815,491.64 : x
  2. Step 2: Convert to fraction form
    6,912,361.40/9,539,595.06 = 3,815,491.64/x
  3. Step 3: Cross multiply
    6,912,361.40x = 9,539,595.06 × 3,815,491.64
  4. Step 4: Simplify right side
    6,912,361.40x = 36,398,245,200,415.30
  5. Step 5: Solve for x
    x = 36,398,245,200,415.30/6,912,361.40
  6. Step 6: Final answer
    x = 5,265,674.51

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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.