Home / 6,630,400.80-9,969,220.80-5,591,138.40

Finding the Fourth Proportional to 6,630,400.80, 9,969,220.80 and 5,591,138.40

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Solution

The fourth proportional to 6,630,400.80, 9,969,220.80 and 5,591,138.40 is: 8,406,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,400.80 : 9,969,220.80 = 5,591,138.40 : x
  2. Step 2: Convert to fraction form
    6,630,400.80/9,969,220.80 = 5,591,138.40/x
  3. Step 3: Cross multiply
    6,630,400.80x = 9,969,220.80 × 5,591,138.40
  4. Step 4: Simplify right side
    6,630,400.80x = 55,739,293,232,958.73
  5. Step 5: Solve for x
    x = 55,739,293,232,958.73/6,630,400.80
  6. Step 6: Final answer
    x = 8,406,625.02

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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.