Home / 13,614,352.31-18,787,806.51-7,502,780.81

Finding the Fourth Proportional to 13,614,352.31, 18,787,806.51 and 7,502,780.81

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Solution

The fourth proportional to 13,614,352.31, 18,787,806.51 and 7,502,780.81 is: 10,353,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,352.31 : 18,787,806.51 = 7,502,780.81 : x
  2. Step 2: Convert to fraction form
    13,614,352.31/18,787,806.51 = 7,502,780.81/x
  3. Step 3: Cross multiply
    13,614,352.31x = 18,787,806.51 × 7,502,780.81
  4. Step 4: Simplify right side
    13,614,352.31x = 140,960,794,145,221.06
  5. Step 5: Solve for x
    x = 140,960,794,145,221.06/13,614,352.31
  6. Step 6: Final answer
    x = 10,353,837.70

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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.