Home / 21,032,022.60-31,548,033.90-8,252,944.20

Finding the Fourth Proportional to 21,032,022.60, 31,548,033.90 and 8,252,944.20

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Solution

The fourth proportional to 21,032,022.60, 31,548,033.90 and 8,252,944.20 is: 12,379,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,022.60 : 31,548,033.90 = 8,252,944.20 : x
  2. Step 2: Convert to fraction form
    21,032,022.60/31,548,033.90 = 8,252,944.20/x
  3. Step 3: Cross multiply
    21,032,022.60x = 31,548,033.90 × 8,252,944.20
  4. Step 4: Simplify right side
    21,032,022.60x = 260,364,163,396,408.38
  5. Step 5: Solve for x
    x = 260,364,163,396,408.38/21,032,022.60
  6. Step 6: Final answer
    x = 12,379,416.30

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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.