Home / 13,955,679.60-20,939,740.20-6,378,745.20

Finding the Fourth Proportional to 13,955,679.60, 20,939,740.20 and 6,378,745.20

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Solution

The fourth proportional to 13,955,679.60, 20,939,740.20 and 6,378,745.20 is: 9,570,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955,679.60 : 20,939,740.20 = 6,378,745.20 : x
  2. Step 2: Convert to fraction form
    13,955,679.60/20,939,740.20 = 6,378,745.20/x
  3. Step 3: Cross multiply
    13,955,679.60x = 20,939,740.20 × 6,378,745.20
  4. Step 4: Simplify right side
    13,955,679.60x = 133,569,267,289,997.05
  5. Step 5: Solve for x
    x = 133,569,267,289,997.05/13,955,679.60
  6. Step 6: Final answer
    x = 9,570,961.15

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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.