Home / 13,850,081.88-20,869,659.66-11,381,046.36

Finding the Fourth Proportional to 13,850,081.88, 20,869,659.66 and 11,381,046.36

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Solution

The fourth proportional to 13,850,081.88, 20,869,659.66 and 11,381,046.36 is: 17,149,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,081.88 : 20,869,659.66 = 11,381,046.36 : x
  2. Step 2: Convert to fraction form
    13,850,081.88/20,869,659.66 = 11,381,046.36/x
  3. Step 3: Cross multiply
    13,850,081.88x = 20,869,659.66 × 11,381,046.36
  4. Step 4: Simplify right side
    13,850,081.88x = 237,518,564,107,881.81
  5. Step 5: Solve for x
    x = 237,518,564,107,881.81/13,850,081.88
  6. Step 6: Final answer
    x = 17,149,253.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.