Home / 13,448,212.60-20,148,699.30-11,039,013.40

Finding the Fourth Proportional to 13,448,212.60, 20,148,699.30 and 11,039,013.40

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Solution

The fourth proportional to 13,448,212.60, 20,148,699.30 and 11,039,013.40 is: 16,539,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,212.60 : 20,148,699.30 = 11,039,013.40 : x
  2. Step 2: Convert to fraction form
    13,448,212.60/20,148,699.30 = 11,039,013.40/x
  3. Step 3: Cross multiply
    13,448,212.60x = 20,148,699.30 × 11,039,013.40
  4. Step 4: Simplify right side
    13,448,212.60x = 222,421,761,565,270.62
  5. Step 5: Solve for x
    x = 222,421,761,565,270.62/13,448,212.60
  6. Step 6: Final answer
    x = 16,539,131.87

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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.