Home / 6,605,220.60-9,907,830.90-5,660,436.60

Finding the Fourth Proportional to 6,605,220.60, 9,907,830.90 and 5,660,436.60

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Solution

The fourth proportional to 6,605,220.60, 9,907,830.90 and 5,660,436.60 is: 8,490,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,220.60 : 9,907,830.90 = 5,660,436.60 : x
  2. Step 2: Convert to fraction form
    6,605,220.60/9,907,830.90 = 5,660,436.60/x
  3. Step 3: Cross multiply
    6,605,220.60x = 9,907,830.90 × 5,660,436.60
  4. Step 4: Simplify right side
    6,605,220.60x = 56,082,648,652,970.94
  5. Step 5: Solve for x
    x = 56,082,648,652,970.94/6,605,220.60
  6. Step 6: Final answer
    x = 8,490,654.90

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Double scale
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Similar ratio
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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.