Home / 8,378,046.30-12,570,021.90-8,082,801.30

Finding the Fourth Proportional to 8,378,046.30, 12,570,021.90 and 8,082,801.30

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Solution

The fourth proportional to 8,378,046.30, 12,570,021.90 and 8,082,801.30 is: 12,127,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,046.30 : 12,570,021.90 = 8,082,801.30 : x
  2. Step 2: Convert to fraction form
    8,378,046.30/12,570,021.90 = 8,082,801.30/x
  3. Step 3: Cross multiply
    8,378,046.30x = 12,570,021.90 × 8,082,801.30
  4. Step 4: Simplify right side
    8,378,046.30x = 101,600,989,354,348.47
  5. Step 5: Solve for x
    x = 101,600,989,354,348.47/8,378,046.30
  6. Step 6: Final answer
    x = 12,127,050.35

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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.