Home / 6,800,289.60-10,200,434.40-3,776,980.80

Finding the Fourth Proportional to 6,800,289.60, 10,200,434.40 and 3,776,980.80

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Solution

The fourth proportional to 6,800,289.60, 10,200,434.40 and 3,776,980.80 is: 5,665,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800,289.60 : 10,200,434.40 = 3,776,980.80 : x
  2. Step 2: Convert to fraction form
    6,800,289.60/10,200,434.40 = 3,776,980.80/x
  3. Step 3: Cross multiply
    6,800,289.60x = 10,200,434.40 × 3,776,980.80
  4. Step 4: Simplify right side
    6,800,289.60x = 38,526,844,880,459.52
  5. Step 5: Solve for x
    x = 38,526,844,880,459.52/6,800,289.60
  6. Step 6: Final answer
    x = 5,665,471.20

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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.