Home / 11,156,771.20-16,735,156.80-7,755,548.80

Finding the Fourth Proportional to 11,156,771.20, 16,735,156.80 and 7,755,548.80

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Solution

The fourth proportional to 11,156,771.20, 16,735,156.80 and 7,755,548.80 is: 11,633,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156,771.20 : 16,735,156.80 = 7,755,548.80 : x
  2. Step 2: Convert to fraction form
    11,156,771.20/16,735,156.80 = 7,755,548.80/x
  3. Step 3: Cross multiply
    11,156,771.20x = 16,735,156.80 × 7,755,548.80
  4. Step 4: Simplify right side
    11,156,771.20x = 129,790,325,238,051.84
  5. Step 5: Solve for x
    x = 129,790,325,238,051.84/11,156,771.20
  6. Step 6: Final answer
    x = 11,633,323.20

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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.