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Finding the Fourth Proportional to 22,382,462.60, 33,573,693.90 and 20,681,851.40

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Solution

The fourth proportional to 22,382,462.60, 33,573,693.90 and 20,681,851.40 is: 31,022,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382,462.60 : 33,573,693.90 = 20,681,851.40 : x
  2. Step 2: Convert to fraction form
    22,382,462.60/33,573,693.90 = 20,681,851.40/x
  3. Step 3: Cross multiply
    22,382,462.60x = 33,573,693.90 × 20,681,851.40
  4. Step 4: Simplify right side
    22,382,462.60x = 694,366,148,188,886.38
  5. Step 5: Solve for x
    x = 694,366,148,188,886.38/22,382,462.60
  6. Step 6: Final answer
    x = 31,022,777.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.