Home / 9,220,218.60-13,798,835.10-8,086,477.80

Finding the Fourth Proportional to 9,220,218.60, 13,798,835.10 and 8,086,477.80

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Solution

The fourth proportional to 9,220,218.60, 13,798,835.10 and 8,086,477.80 is: 12,102,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,218.60 : 13,798,835.10 = 8,086,477.80 : x
  2. Step 2: Convert to fraction form
    9,220,218.60/13,798,835.10 = 8,086,477.80/x
  3. Step 3: Cross multiply
    9,220,218.60x = 13,798,835.10 × 8,086,477.80
  4. Step 4: Simplify right side
    9,220,218.60x = 111,583,973,702,010.78
  5. Step 5: Solve for x
    x = 111,583,973,702,010.78/9,220,218.60
  6. Step 6: Final answer
    x = 12,102,096.33

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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.