Home / 12,210,717.60-18,310,761.99-6,141,661.38

Finding the Fourth Proportional to 12,210,717.60, 18,310,761.99 and 6,141,661.38

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Solution

The fourth proportional to 12,210,717.60, 18,310,761.99 and 6,141,661.38 is: 9,209,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,717.60 : 18,310,761.99 = 6,141,661.38 : x
  2. Step 2: Convert to fraction form
    12,210,717.60/18,310,761.99 = 6,141,661.38/x
  3. Step 3: Cross multiply
    12,210,717.60x = 18,310,761.99 × 6,141,661.38
  4. Step 4: Simplify right side
    12,210,717.60x = 112,458,499,752,354.94
  5. Step 5: Solve for x
    x = 112,458,499,752,354.94/12,210,717.60
  6. Step 6: Final answer
    x = 9,209,819.07

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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.