Home / 7,234,439.23-9,983,486.73-3,971,309.49

Finding the Fourth Proportional to 7,234,439.23, 9,983,486.73 and 3,971,309.49

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Solution

The fourth proportional to 7,234,439.23, 9,983,486.73 and 3,971,309.49 is: 5,480,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234,439.23 : 9,983,486.73 = 3,971,309.49 : x
  2. Step 2: Convert to fraction form
    7,234,439.23/9,983,486.73 = 3,971,309.49/x
  3. Step 3: Cross multiply
    7,234,439.23x = 9,983,486.73 × 3,971,309.49
  4. Step 4: Simplify right side
    7,234,439.23x = 39,647,515,594,138.07
  5. Step 5: Solve for x
    x = 39,647,515,594,138.07/7,234,439.23
  6. Step 6: Final answer
    x = 5,480,385.46

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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.