Home / 13,906,883.60-20,860,325.40-7,104,438.80

Finding the Fourth Proportional to 13,906,883.60, 20,860,325.40 and 7,104,438.80

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Solution

The fourth proportional to 13,906,883.60, 20,860,325.40 and 7,104,438.80 is: 10,656,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,883.60 : 20,860,325.40 = 7,104,438.80 : x
  2. Step 2: Convert to fraction form
    13,906,883.60/20,860,325.40 = 7,104,438.80/x
  3. Step 3: Cross multiply
    13,906,883.60x = 20,860,325.40 × 7,104,438.80
  4. Step 4: Simplify right side
    13,906,883.60x = 148,200,905,152,385.50
  5. Step 5: Solve for x
    x = 148,200,905,152,385.50/13,906,883.60
  6. Step 6: Final answer
    x = 10,656,658.20

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1.5x scale

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.