Home / 28,082,751.90-42,128,793.45-11,043,980.70

Finding the Fourth Proportional to 28,082,751.90, 42,128,793.45 and 11,043,980.70

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Solution

The fourth proportional to 28,082,751.90, 42,128,793.45 and 11,043,980.70 is: 16,567,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,751.90 : 42,128,793.45 = 11,043,980.70 : x
  2. Step 2: Convert to fraction form
    28,082,751.90/42,128,793.45 = 11,043,980.70/x
  3. Step 3: Cross multiply
    28,082,751.90x = 42,128,793.45 × 11,043,980.70
  4. Step 4: Simplify right side
    28,082,751.90x = 465,269,581,776,086.44
  5. Step 5: Solve for x
    x = 465,269,581,776,086.44/28,082,751.90
  6. Step 6: Final answer
    x = 16,567,805.87

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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.