Home / 8,142,977.10-12,221,354.70-3,354,103.20

Finding the Fourth Proportional to 8,142,977.10, 12,221,354.70 and 3,354,103.20

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Solution

The fourth proportional to 8,142,977.10, 12,221,354.70 and 3,354,103.20 is: 5,033,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,977.10 : 12,221,354.70 = 3,354,103.20 : x
  2. Step 2: Convert to fraction form
    8,142,977.10/12,221,354.70 = 3,354,103.20/x
  3. Step 3: Cross multiply
    8,142,977.10x = 12,221,354.70 × 3,354,103.20
  4. Step 4: Simplify right side
    8,142,977.10x = 40,991,684,907,605.04
  5. Step 5: Solve for x
    x = 40,991,684,907,605.04/8,142,977.10
  6. Step 6: Final answer
    x = 5,033,992.41

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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.