Home / 19,583,986.80-29,375,980.20-8,220,658.80

Finding the Fourth Proportional to 19,583,986.80, 29,375,980.20 and 8,220,658.80

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Solution

The fourth proportional to 19,583,986.80, 29,375,980.20 and 8,220,658.80 is: 12,330,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583,986.80 : 29,375,980.20 = 8,220,658.80 : x
  2. Step 2: Convert to fraction form
    19,583,986.80/29,375,980.20 = 8,220,658.80/x
  3. Step 3: Cross multiply
    19,583,986.80x = 29,375,980.20 × 8,220,658.80
  4. Step 4: Simplify right side
    19,583,986.80x = 241,489,910,139,755.75
  5. Step 5: Solve for x
    x = 241,489,910,139,755.75/19,583,986.80
  6. Step 6: Final answer
    x = 12,330,988.20

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1.5x scale

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.