Home / 20,800,040.00-28,704,663.41-11,381,396.45

Finding the Fourth Proportional to 20,800,040.00, 28,704,663.41 and 11,381,396.45

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Solution

The fourth proportional to 20,800,040.00, 28,704,663.41 and 11,381,396.45 is: 15,706,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800,040.00 : 28,704,663.41 = 11,381,396.45 : x
  2. Step 2: Convert to fraction form
    20,800,040.00/28,704,663.41 = 11,381,396.45/x
  3. Step 3: Cross multiply
    20,800,040.00x = 28,704,663.41 × 11,381,396.45
  4. Step 4: Simplify right side
    20,800,040.00x = 326,699,154,032,588.62
  5. Step 5: Solve for x
    x = 326,699,154,032,588.62/20,800,040.00
  6. Step 6: Final answer
    x = 15,706,659.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.