Home / 13,910,367.60-20,855,831.40-8,227,666.80

Finding the Fourth Proportional to 13,910,367.60, 20,855,831.40 and 8,227,666.80

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Solution

The fourth proportional to 13,910,367.60, 20,855,831.40 and 8,227,666.80 is: 12,335,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,367.60 : 20,855,831.40 = 8,227,666.80 : x
  2. Step 2: Convert to fraction form
    13,910,367.60/20,855,831.40 = 8,227,666.80/x
  3. Step 3: Cross multiply
    13,910,367.60x = 20,855,831.40 × 8,227,666.80
  4. Step 4: Simplify right side
    13,910,367.60x = 171,594,831,596,177.50
  5. Step 5: Solve for x
    x = 171,594,831,596,177.50/13,910,367.60
  6. Step 6: Final answer
    x = 12,335,751.04

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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.