Home / 7,234,438.49-9,983,485.69-3,971,308.74

Finding the Fourth Proportional to 7,234,438.49, 9,983,485.69 and 3,971,308.74

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Solution

The fourth proportional to 7,234,438.49, 9,983,485.69 and 3,971,308.74 is: 5,480,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234,438.49 : 9,983,485.69 = 3,971,308.74 : x
  2. Step 2: Convert to fraction form
    7,234,438.49/9,983,485.69 = 3,971,308.74/x
  3. Step 3: Cross multiply
    7,234,438.49x = 9,983,485.69 × 3,971,308.74
  4. Step 4: Simplify right side
    7,234,438.49x = 39,647,503,976,361.93
  5. Step 5: Solve for x
    x = 39,647,503,976,361.93/7,234,438.49
  6. Step 6: Final answer
    x = 5,480,384.42

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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.