Home / 20,672,605.34-31,006,541.94-5,527,717.82

Finding the Fourth Proportional to 20,672,605.34, 31,006,541.94 and 5,527,717.82

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Solution

The fourth proportional to 20,672,605.34, 31,006,541.94 and 5,527,717.82 is: 8,290,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,605.34 : 31,006,541.94 = 5,527,717.82 : x
  2. Step 2: Convert to fraction form
    20,672,605.34/31,006,541.94 = 5,527,717.82/x
  3. Step 3: Cross multiply
    20,672,605.34x = 31,006,541.94 × 5,527,717.82
  4. Step 4: Simplify right side
    20,672,605.34x = 171,395,414,263,282.69
  5. Step 5: Solve for x
    x = 171,395,414,263,282.69/20,672,605.34
  6. Step 6: Final answer
    x = 8,290,944.05

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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.