Home / 13,706,459.20-20,551,815.60-4,120,400.80

Finding the Fourth Proportional to 13,706,459.20, 20,551,815.60 and 4,120,400.80

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Solution

The fourth proportional to 13,706,459.20, 20,551,815.60 and 4,120,400.80 is: 6,178,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,459.20 : 20,551,815.60 = 4,120,400.80 : x
  2. Step 2: Convert to fraction form
    13,706,459.20/20,551,815.60 = 4,120,400.80/x
  3. Step 3: Cross multiply
    13,706,459.20x = 20,551,815.60 × 4,120,400.80
  4. Step 4: Simplify right side
    13,706,459.20x = 84,681,717,439,692.48
  5. Step 5: Solve for x
    x = 84,681,717,439,692.48/13,706,459.20
  6. Step 6: Final answer
    x = 6,178,234.38

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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.