Home / 12,179,500.11-18,267,043.05-4,892,665.86

Finding the Fourth Proportional to 12,179,500.11, 18,267,043.05 and 4,892,665.86

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Solution

The fourth proportional to 12,179,500.11, 18,267,043.05 and 4,892,665.86 is: 7,338,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,500.11 : 18,267,043.05 = 4,892,665.86 : x
  2. Step 2: Convert to fraction form
    12,179,500.11/18,267,043.05 = 4,892,665.86/x
  3. Step 3: Cross multiply
    12,179,500.11x = 18,267,043.05 × 4,892,665.86
  4. Step 4: Simplify right side
    12,179,500.11x = 89,374,537,893,885.28
  5. Step 5: Solve for x
    x = 89,374,537,893,885.28/12,179,500.11
  6. Step 6: Final answer
    x = 7,338,112.16

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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.