Home / 18,278,626.50-25,227,211.86-11,573,582.36

Finding the Fourth Proportional to 18,278,626.50, 25,227,211.86 and 11,573,582.36

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Solution

The fourth proportional to 18,278,626.50, 25,227,211.86 and 11,573,582.36 is: 15,973,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278,626.50 : 25,227,211.86 = 11,573,582.36 : x
  2. Step 2: Convert to fraction form
    18,278,626.50/25,227,211.86 = 11,573,582.36/x
  3. Step 3: Cross multiply
    18,278,626.50x = 25,227,211.86 × 11,573,582.36
  4. Step 4: Simplify right side
    18,278,626.50x = 291,969,214,174,878.75
  5. Step 5: Solve for x
    x = 291,969,214,174,878.75/18,278,626.50
  6. Step 6: Final answer
    x = 15,973,257.85

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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.