Home / 13,479,923.90-20,219,885.85-5,921,651.90

Finding the Fourth Proportional to 13,479,923.90, 20,219,885.85 and 5,921,651.90

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Solution

The fourth proportional to 13,479,923.90, 20,219,885.85 and 5,921,651.90 is: 8,882,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,923.90 : 20,219,885.85 = 5,921,651.90 : x
  2. Step 2: Convert to fraction form
    13,479,923.90/20,219,885.85 = 5,921,651.90/x
  3. Step 3: Cross multiply
    13,479,923.90x = 20,219,885.85 × 5,921,651.90
  4. Step 4: Simplify right side
    13,479,923.90x = 119,735,125,461,435.62
  5. Step 5: Solve for x
    x = 119,735,125,461,435.62/13,479,923.90
  6. Step 6: Final answer
    x = 8,882,477.85

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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.