Home / 13,565,267.70-20,347,901.55-11,738,685.30

Finding the Fourth Proportional to 13,565,267.70, 20,347,901.55 and 11,738,685.30

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Solution

The fourth proportional to 13,565,267.70, 20,347,901.55 and 11,738,685.30 is: 17,608,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,267.70 : 20,347,901.55 = 11,738,685.30 : x
  2. Step 2: Convert to fraction form
    13,565,267.70/20,347,901.55 = 11,738,685.30/x
  3. Step 3: Cross multiply
    13,565,267.70x = 20,347,901.55 × 11,738,685.30
  4. Step 4: Simplify right side
    13,565,267.70x = 238,857,612,810,832.25
  5. Step 5: Solve for x
    x = 238,857,612,810,832.25/13,565,267.70
  6. Step 6: Final answer
    x = 17,608,027.95

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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.