Home / 28,153,658.20-42,230,487.30-25,634,234.20

Finding the Fourth Proportional to 28,153,658.20, 42,230,487.30 and 25,634,234.20

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Solution

The fourth proportional to 28,153,658.20, 42,230,487.30 and 25,634,234.20 is: 38,451,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153,658.20 : 42,230,487.30 = 25,634,234.20 : x
  2. Step 2: Convert to fraction form
    28,153,658.20/42,230,487.30 = 25,634,234.20/x
  3. Step 3: Cross multiply
    28,153,658.20x = 42,230,487.30 × 25,634,234.20
  4. Step 4: Simplify right side
    28,153,658.20x = 1,082,546,201,828,325.50
  5. Step 5: Solve for x
    x = 1,082,546,201,828,325.50/28,153,658.20
  6. Step 6: Final answer
    x = 38,451,351.30

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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.