Home / 21,800,489.90-32,699,647.80-8,152,632.90

Finding the Fourth Proportional to 21,800,489.90, 32,699,647.80 and 8,152,632.90

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Solution

The fourth proportional to 21,800,489.90, 32,699,647.80 and 8,152,632.90 is: 12,228,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800,489.90 : 32,699,647.80 = 8,152,632.90 : x
  2. Step 2: Convert to fraction form
    21,800,489.90/32,699,647.80 = 8,152,632.90/x
  3. Step 3: Cross multiply
    21,800,489.90x = 32,699,647.80 × 8,152,632.90
  4. Step 4: Simplify right side
    21,800,489.90x = 266,588,224,472,692.62
  5. Step 5: Solve for x
    x = 266,588,224,472,692.62/21,800,489.90
  6. Step 6: Final answer
    x = 12,228,542.83

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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.