Home / 13,554,203.04-20,331,311.85-8,509,056.48

Finding the Fourth Proportional to 13,554,203.04, 20,331,311.85 and 8,509,056.48

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Solution

The fourth proportional to 13,554,203.04, 20,331,311.85 and 8,509,056.48 is: 12,763,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,203.04 : 20,331,311.85 = 8,509,056.48 : x
  2. Step 2: Convert to fraction form
    13,554,203.04/20,331,311.85 = 8,509,056.48/x
  3. Step 3: Cross multiply
    13,554,203.04x = 20,331,311.85 × 8,509,056.48
  4. Step 4: Simplify right side
    13,554,203.04x = 173,000,280,844,143.31
  5. Step 5: Solve for x
    x = 173,000,280,844,143.31/13,554,203.04
  6. Step 6: Final answer
    x = 12,763,589.30

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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.