Home / 20,563,399.20-30,839,569.20-8,593,658.40

Finding the Fourth Proportional to 20,563,399.20, 30,839,569.20 and 8,593,658.40

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Solution

The fourth proportional to 20,563,399.20, 30,839,569.20 and 8,593,658.40 is: 12,888,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,399.20 : 30,839,569.20 = 8,593,658.40 : x
  2. Step 2: Convert to fraction form
    20,563,399.20/30,839,569.20 = 8,593,658.40/x
  3. Step 3: Cross multiply
    20,563,399.20x = 30,839,569.20 × 8,593,658.40
  4. Step 4: Simplify right side
    20,563,399.20x = 265,024,722,907,961.28
  5. Step 5: Solve for x
    x = 265,024,722,907,961.28/20,563,399.20
  6. Step 6: Final answer
    x = 12,888,176.72

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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.