Home / 14,507,005.72-20,019,834.05-8,311,928.30

Finding the Fourth Proportional to 14,507,005.72, 20,019,834.05 and 8,311,928.30

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Solution

The fourth proportional to 14,507,005.72, 20,019,834.05 and 8,311,928.30 is: 11,470,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,005.72 : 20,019,834.05 = 8,311,928.30 : x
  2. Step 2: Convert to fraction form
    14,507,005.72/20,019,834.05 = 8,311,928.30/x
  3. Step 3: Cross multiply
    14,507,005.72x = 20,019,834.05 × 8,311,928.30
  4. Step 4: Simplify right side
    14,507,005.72x = 166,403,425,187,520.41
  5. Step 5: Solve for x
    x = 166,403,425,187,520.41/14,507,005.72
  6. Step 6: Final answer
    x = 11,470,556.25

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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.