Home / 20,997,861.20-31,496,791.80-5,041,509.20

Finding the Fourth Proportional to 20,997,861.20, 31,496,791.80 and 5,041,509.20

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Solution

The fourth proportional to 20,997,861.20, 31,496,791.80 and 5,041,509.20 is: 7,562,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,861.20 : 31,496,791.80 = 5,041,509.20 : x
  2. Step 2: Convert to fraction form
    20,997,861.20/31,496,791.80 = 5,041,509.20/x
  3. Step 3: Cross multiply
    20,997,861.20x = 31,496,791.80 × 5,041,509.20
  4. Step 4: Simplify right side
    20,997,861.20x = 158,791,365,630,184.56
  5. Step 5: Solve for x
    x = 158,791,365,630,184.56/20,997,861.20
  6. Step 6: Final answer
    x = 7,562,263.80

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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.