Home / 11,238,688.20-16,858,032.30-6,119,139.90

Finding the Fourth Proportional to 11,238,688.20, 16,858,032.30 and 6,119,139.90

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Solution

The fourth proportional to 11,238,688.20, 16,858,032.30 and 6,119,139.90 is: 9,178,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238,688.20 : 16,858,032.30 = 6,119,139.90 : x
  2. Step 2: Convert to fraction form
    11,238,688.20/16,858,032.30 = 6,119,139.90/x
  3. Step 3: Cross multiply
    11,238,688.20x = 16,858,032.30 × 6,119,139.90
  4. Step 4: Simplify right side
    11,238,688.20x = 103,156,658,082,418.78
  5. Step 5: Solve for x
    x = 103,156,658,082,418.78/11,238,688.20
  6. Step 6: Final answer
    x = 9,178,709.85

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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.