Home / 12,226,658.77-18,338,863.65-4,138,709.95

Finding the Fourth Proportional to 12,226,658.77, 18,338,863.65 and 4,138,709.95

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Solution

The fourth proportional to 12,226,658.77, 18,338,863.65 and 4,138,709.95 is: 6,207,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,658.77 : 18,338,863.65 = 4,138,709.95 : x
  2. Step 2: Convert to fraction form
    12,226,658.77/18,338,863.65 = 4,138,709.95/x
  3. Step 3: Cross multiply
    12,226,658.77x = 18,338,863.65 × 4,138,709.95
  4. Step 4: Simplify right side
    12,226,658.77x = 75,899,237,459,948.31
  5. Step 5: Solve for x
    x = 75,899,237,459,948.31/12,226,658.77
  6. Step 6: Final answer
    x = 6,207,684.28

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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.