Home / 13,706,390.20-20,551,712.10-4,120,331.80

Finding the Fourth Proportional to 13,706,390.20, 20,551,712.10 and 4,120,331.80

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Solution

The fourth proportional to 13,706,390.20, 20,551,712.10 and 4,120,331.80 is: 6,178,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,390.20 : 20,551,712.10 = 4,120,331.80 : x
  2. Step 2: Convert to fraction form
    13,706,390.20/20,551,712.10 = 4,120,331.80/x
  3. Step 3: Cross multiply
    13,706,390.20x = 20,551,712.10 × 4,120,331.80
  4. Step 4: Simplify right side
    13,706,390.20x = 84,679,872,910,074.78
  5. Step 5: Solve for x
    x = 84,679,872,910,074.78/13,706,390.20
  6. Step 6: Final answer
    x = 6,178,130.91

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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.