Home / 20,496,843.60-30,745,265.40-8,362,274.10

Finding the Fourth Proportional to 20,496,843.60, 30,745,265.40 and 8,362,274.10

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Solution

The fourth proportional to 20,496,843.60, 30,745,265.40 and 8,362,274.10 is: 12,543,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496,843.60 : 30,745,265.40 = 8,362,274.10 : x
  2. Step 2: Convert to fraction form
    20,496,843.60/30,745,265.40 = 8,362,274.10/x
  3. Step 3: Cross multiply
    20,496,843.60x = 30,745,265.40 × 8,362,274.10
  4. Step 4: Simplify right side
    20,496,843.60x = 257,100,336,552,046.12
  5. Step 5: Solve for x
    x = 257,100,336,552,046.12/20,496,843.60
  6. Step 6: Final answer
    x = 12,543,411.15

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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.