Home / 13,614,020.07-18,787,351.61-7,419,068.49

Finding the Fourth Proportional to 13,614,020.07, 18,787,351.61 and 7,419,068.49

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Solution

The fourth proportional to 13,614,020.07, 18,787,351.61 and 7,419,068.49 is: 10,238,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,020.07 : 18,787,351.61 = 7,419,068.49 : x
  2. Step 2: Convert to fraction form
    13,614,020.07/18,787,351.61 = 7,419,068.49/x
  3. Step 3: Cross multiply
    13,614,020.07x = 18,787,351.61 × 7,419,068.49
  4. Step 4: Simplify right side
    13,614,020.07x = 139,384,648,323,623.17
  5. Step 5: Solve for x
    x = 139,384,648,323,623.17/13,614,020.07
  6. Step 6: Final answer
    x = 10,238,316.65

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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.