Home / 13,906,056.30-20,867,941.80-8,148,778.80

Finding the Fourth Proportional to 13,906,056.30, 20,867,941.80 and 8,148,778.80

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Solution

The fourth proportional to 13,906,056.30, 20,867,941.80 and 8,148,778.80 is: 12,228,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,056.30 : 20,867,941.80 = 8,148,778.80 : x
  2. Step 2: Convert to fraction form
    13,906,056.30/20,867,941.80 = 8,148,778.80/x
  3. Step 3: Cross multiply
    13,906,056.30x = 20,867,941.80 × 8,148,778.80
  4. Step 4: Simplify right side
    13,906,056.30x = 170,048,241,739,473.84
  5. Step 5: Solve for x
    x = 170,048,241,739,473.84/13,906,056.30
  6. Step 6: Final answer
    x = 12,228,358.50

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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.