Home / 7,047,620.80-10,571,431.20-4,213,268.80

Finding the Fourth Proportional to 7,047,620.80, 10,571,431.20 and 4,213,268.80

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Solution

The fourth proportional to 7,047,620.80, 10,571,431.20 and 4,213,268.80 is: 6,319,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,620.80 : 10,571,431.20 = 4,213,268.80 : x
  2. Step 2: Convert to fraction form
    7,047,620.80/10,571,431.20 = 4,213,268.80/x
  3. Step 3: Cross multiply
    7,047,620.80x = 10,571,431.20 × 4,213,268.80
  4. Step 4: Simplify right side
    7,047,620.80x = 44,540,281,246,306.55
  5. Step 5: Solve for x
    x = 44,540,281,246,306.55/7,047,620.80
  6. Step 6: Final answer
    x = 6,319,903.20

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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.