Home / 13,696,845.18-18,900,972.03-7,501,919.37

Finding the Fourth Proportional to 13,696,845.18, 18,900,972.03 and 7,501,919.37

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Solution

The fourth proportional to 13,696,845.18, 18,900,972.03 and 7,501,919.37 is: 10,352,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,845.18 : 18,900,972.03 = 7,501,919.37 : x
  2. Step 2: Convert to fraction form
    13,696,845.18/18,900,972.03 = 7,501,919.37/x
  3. Step 3: Cross multiply
    13,696,845.18x = 18,900,972.03 × 7,501,919.37
  4. Step 4: Simplify right side
    13,696,845.18x = 141,793,568,183,685.22
  5. Step 5: Solve for x
    x = 141,793,568,183,685.22/13,696,845.18
  6. Step 6: Final answer
    x = 10,352,279.40

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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.