Home / 38,524,626.66-53,162,573.13-21,120,590.82

Finding the Fourth Proportional to 38,524,626.66, 53,162,573.13 and 21,120,590.82

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Solution

The fourth proportional to 38,524,626.66, 53,162,573.13 and 21,120,590.82 is: 29,145,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,524,626.66 : 53,162,573.13 = 21,120,590.82 : x
  2. Step 2: Convert to fraction form
    38,524,626.66/53,162,573.13 = 21,120,590.82/x
  3. Step 3: Cross multiply
    38,524,626.66x = 53,162,573.13 × 21,120,590.82
  4. Step 4: Simplify right side
    38,524,626.66x = 1,122,824,954,017,056.75
  5. Step 5: Solve for x
    x = 1,122,824,954,017,056.75/38,524,626.66
  6. Step 6: Final answer
    x = 29,145,641.41

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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.