Home / 13,608,850.40-20,415,025.20-6,788,909.60

Finding the Fourth Proportional to 13,608,850.40, 20,415,025.20 and 6,788,909.60

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Solution

The fourth proportional to 13,608,850.40, 20,415,025.20 and 6,788,909.60 is: 10,184,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,850.40 : 20,415,025.20 = 6,788,909.60 : x
  2. Step 2: Convert to fraction form
    13,608,850.40/20,415,025.20 = 6,788,909.60/x
  3. Step 3: Cross multiply
    13,608,850.40x = 20,415,025.20 × 6,788,909.60
  4. Step 4: Simplify right side
    13,608,850.40x = 138,595,760,564,521.91
  5. Step 5: Solve for x
    x = 138,595,760,564,521.91/13,608,850.40
  6. Step 6: Final answer
    x = 10,184,237.21

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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.