Home / 29,143,516.77-43,715,441.61-12,104,189.72

Finding the Fourth Proportional to 29,143,516.77, 43,715,441.61 and 12,104,189.72

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Solution

The fourth proportional to 29,143,516.77, 43,715,441.61 and 12,104,189.72 is: 18,156,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143,516.77 : 43,715,441.61 = 12,104,189.72 : x
  2. Step 2: Convert to fraction form
    29,143,516.77/43,715,441.61 = 12,104,189.72/x
  3. Step 3: Cross multiply
    29,143,516.77x = 43,715,441.61 × 12,104,189.72
  4. Step 4: Simplify right side
    29,143,516.77x = 529,139,998,722,445
  5. Step 5: Solve for x
    x = 529,139,998,722,445/29,143,516.77
  6. Step 6: Final answer
    x = 18,156,353.71

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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.