Home / 7,169,782.50-9,894,174.93-3,906,624.24

Finding the Fourth Proportional to 7,169,782.50, 9,894,174.93 and 3,906,624.24

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Solution

The fourth proportional to 7,169,782.50, 9,894,174.93 and 3,906,624.24 is: 5,391,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,782.50 : 9,894,174.93 = 3,906,624.24 : x
  2. Step 2: Convert to fraction form
    7,169,782.50/9,894,174.93 = 3,906,624.24/x
  3. Step 3: Cross multiply
    7,169,782.50x = 9,894,174.93 × 3,906,624.24
  4. Step 4: Simplify right side
    7,169,782.50x = 38,652,823,616,338.30
  5. Step 5: Solve for x
    x = 38,652,823,616,338.30/7,169,782.50
  6. Step 6: Final answer
    x = 5,391,073.39

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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.