Home / 6,629,087.20-9,943,630.80-5,565,330.40

Finding the Fourth Proportional to 6,629,087.20, 9,943,630.80 and 5,565,330.40

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Solution

The fourth proportional to 6,629,087.20, 9,943,630.80 and 5,565,330.40 is: 8,347,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,087.20 : 9,943,630.80 = 5,565,330.40 : x
  2. Step 2: Convert to fraction form
    6,629,087.20/9,943,630.80 = 5,565,330.40/x
  3. Step 3: Cross multiply
    6,629,087.20x = 9,943,630.80 × 5,565,330.40
  4. Step 4: Simplify right side
    6,629,087.20x = 55,339,590,777,616.33
  5. Step 5: Solve for x
    x = 55,339,590,777,616.33/6,629,087.20
  6. Step 6: Final answer
    x = 8,347,995.60

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1.5x scale

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.