Home / 12,311,343.27-18,462,480.51-4,222,155.15

Finding the Fourth Proportional to 12,311,343.27, 18,462,480.51 and 4,222,155.15

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Solution

The fourth proportional to 12,311,343.27, 18,462,480.51 and 4,222,155.15 is: 6,331,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,343.27 : 18,462,480.51 = 4,222,155.15 : x
  2. Step 2: Convert to fraction form
    12,311,343.27/18,462,480.51 = 4,222,155.15/x
  3. Step 3: Cross multiply
    12,311,343.27x = 18,462,480.51 × 4,222,155.15
  4. Step 4: Simplify right side
    12,311,343.27x = 77,951,457,167,071.14
  5. Step 5: Solve for x
    x = 77,951,457,167,071.14/12,311,343.27
  6. Step 6: Final answer
    x = 6,331,677.66

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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.