Home / 28,082,793.80-42,124,190.70-23,547,830.60

Finding the Fourth Proportional to 28,082,793.80, 42,124,190.70 and 23,547,830.60

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Solution

The fourth proportional to 28,082,793.80, 42,124,190.70 and 23,547,830.60 is: 35,321,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,793.80 : 42,124,190.70 = 23,547,830.60 : x
  2. Step 2: Convert to fraction form
    28,082,793.80/42,124,190.70 = 23,547,830.60/x
  3. Step 3: Cross multiply
    28,082,793.80x = 42,124,190.70 × 23,547,830.60
  4. Step 4: Simplify right side
    28,082,793.80x = 991,933,306,765,695.50
  5. Step 5: Solve for x
    x = 991,933,306,765,695.50/28,082,793.80
  6. Step 6: Final answer
    x = 35,321,745.90

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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.