Home / 13,543,123.32-20,315,349.27-5,455,006.83

Finding the Fourth Proportional to 13,543,123.32, 20,315,349.27 and 5,455,006.83

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Solution

The fourth proportional to 13,543,123.32, 20,315,349.27 and 5,455,006.83 is: 8,182,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543,123.32 : 20,315,349.27 = 5,455,006.83 : x
  2. Step 2: Convert to fraction form
    13,543,123.32/20,315,349.27 = 5,455,006.83/x
  3. Step 3: Cross multiply
    13,543,123.32x = 20,315,349.27 × 5,455,006.83
  4. Step 4: Simplify right side
    13,543,123.32x = 110,820,369,021,685.52
  5. Step 5: Solve for x
    x = 110,820,369,021,685.52/13,543,123.32
  6. Step 6: Final answer
    x = 8,182,777.81

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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.