Home / 21,923,858.42-30,252,400.53-12,632,782.58

Finding the Fourth Proportional to 21,923,858.42, 30,252,400.53 and 12,632,782.58

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Solution

The fourth proportional to 21,923,858.42, 30,252,400.53 and 12,632,782.58 is: 17,431,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,858.42 : 30,252,400.53 = 12,632,782.58 : x
  2. Step 2: Convert to fraction form
    21,923,858.42/30,252,400.53 = 12,632,782.58/x
  3. Step 3: Cross multiply
    21,923,858.42x = 30,252,400.53 × 12,632,782.58
  4. Step 4: Simplify right side
    21,923,858.42x = 382,171,998,418,566.81
  5. Step 5: Solve for x
    x = 382,171,998,418,566.81/21,923,858.42
  6. Step 6: Final answer
    x = 17,431,785.55

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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.