Home / 7,020,201.40-10,530,302.10-6,236,380.60

Finding the Fourth Proportional to 7,020,201.40, 10,530,302.10 and 6,236,380.60

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Solution

The fourth proportional to 7,020,201.40, 10,530,302.10 and 6,236,380.60 is: 9,354,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,201.40 : 10,530,302.10 = 6,236,380.60 : x
  2. Step 2: Convert to fraction form
    7,020,201.40/10,530,302.10 = 6,236,380.60/x
  3. Step 3: Cross multiply
    7,020,201.40x = 10,530,302.10 × 6,236,380.60
  4. Step 4: Simplify right side
    7,020,201.40x = 65,670,971,728,579.25
  5. Step 5: Solve for x
    x = 65,670,971,728,579.25/7,020,201.40
  6. Step 6: Final answer
    x = 9,354,570.90

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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.