Home / 8,137,929.21-11,239,662.85-5,359,472.83

Finding the Fourth Proportional to 8,137,929.21, 11,239,662.85 and 5,359,472.83

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Solution

The fourth proportional to 8,137,929.21, 11,239,662.85 and 5,359,472.83 is: 7,402,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,929.21 : 11,239,662.85 = 5,359,472.83 : x
  2. Step 2: Convert to fraction form
    8,137,929.21/11,239,662.85 = 5,359,472.83/x
  3. Step 3: Cross multiply
    8,137,929.21x = 11,239,662.85 × 5,359,472.83
  4. Step 4: Simplify right side
    8,137,929.21x = 60,238,667,606,737.05
  5. Step 5: Solve for x
    x = 60,238,667,606,737.05/8,137,929.21
  6. Step 6: Final answer
    x = 7,402,210.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.