Home / 7,012,546.92-9,677,465.82-3,872,800.89

Finding the Fourth Proportional to 7,012,546.92, 9,677,465.82 and 3,872,800.89

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Solution

The fourth proportional to 7,012,546.92, 9,677,465.82 and 3,872,800.89 is: 5,344,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012,546.92 : 9,677,465.82 = 3,872,800.89 : x
  2. Step 2: Convert to fraction form
    7,012,546.92/9,677,465.82 = 3,872,800.89/x
  3. Step 3: Cross multiply
    7,012,546.92x = 9,677,465.82 × 3,872,800.89
  4. Step 4: Simplify right side
    7,012,546.92x = 37,478,898,240,640.59
  5. Step 5: Solve for x
    x = 37,478,898,240,640.59/7,012,546.92
  6. Step 6: Final answer
    x = 5,344,548.66

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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.