Home / 7,020,134.60-10,530,201.90-3,428,205.80

Finding the Fourth Proportional to 7,020,134.60, 10,530,201.90 and 3,428,205.80

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Solution

The fourth proportional to 7,020,134.60, 10,530,201.90 and 3,428,205.80 is: 5,142,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,134.60 : 10,530,201.90 = 3,428,205.80 : x
  2. Step 2: Convert to fraction form
    7,020,134.60/10,530,201.90 = 3,428,205.80/x
  3. Step 3: Cross multiply
    7,020,134.60x = 10,530,201.90 × 3,428,205.80
  4. Step 4: Simplify right side
    7,020,134.60x = 36,099,699,228,751.02
  5. Step 5: Solve for x
    x = 36,099,699,228,751.02/7,020,134.60
  6. Step 6: Final answer
    x = 5,142,308.70

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Similar ratio
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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.