Home / 6,800,025.40-10,200,038.10-6,401,116.60

Finding the Fourth Proportional to 6,800,025.40, 10,200,038.10 and 6,401,116.60

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Solution

The fourth proportional to 6,800,025.40, 10,200,038.10 and 6,401,116.60 is: 9,601,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800,025.40 : 10,200,038.10 = 6,401,116.60 : x
  2. Step 2: Convert to fraction form
    6,800,025.40/10,200,038.10 = 6,401,116.60/x
  3. Step 3: Cross multiply
    6,800,025.40x = 10,200,038.10 × 6,401,116.60
  4. Step 4: Simplify right side
    6,800,025.40x = 65,291,633,202,542.45
  5. Step 5: Solve for x
    x = 65,291,633,202,542.45/6,800,025.40
  6. Step 6: Final answer
    x = 9,601,674.90

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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.