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Finding the Fourth Proportional to 16,355,687.60, 24,533,531.40 and 16,243,713.20

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Solution

The fourth proportional to 16,355,687.60, 24,533,531.40 and 16,243,713.20 is: 24,365,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355,687.60 : 24,533,531.40 = 16,243,713.20 : x
  2. Step 2: Convert to fraction form
    16,355,687.60/24,533,531.40 = 16,243,713.20/x
  3. Step 3: Cross multiply
    16,355,687.60x = 24,533,531.40 × 16,243,713.20
  4. Step 4: Simplify right side
    16,355,687.60x = 398,515,647,844,794.44
  5. Step 5: Solve for x
    x = 398,515,647,844,794.44/16,355,687.60
  6. Step 6: Final answer
    x = 24,365,569.80

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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.