Home / 13,762,219.80-20,659,076.10-8,085,642.60

Finding the Fourth Proportional to 13,762,219.80, 20,659,076.10 and 8,085,642.60

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Solution

The fourth proportional to 13,762,219.80, 20,659,076.10 and 8,085,642.60 is: 12,137,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,219.80 : 20,659,076.10 = 8,085,642.60 : x
  2. Step 2: Convert to fraction form
    13,762,219.80/20,659,076.10 = 8,085,642.60/x
  3. Step 3: Cross multiply
    13,762,219.80x = 20,659,076.10 × 8,085,642.60
  4. Step 4: Simplify right side
    13,762,219.80x = 167,041,905,790,801.88
  5. Step 5: Solve for x
    x = 167,041,905,790,801.88/13,762,219.80
  6. Step 6: Final answer
    x = 12,137,715.30

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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.