Home / 13,614,023.52-18,787,356.36-7,419,071.94

Finding the Fourth Proportional to 13,614,023.52, 18,787,356.36 and 7,419,071.94

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Solution

The fourth proportional to 13,614,023.52, 18,787,356.36 and 7,419,071.94 is: 10,238,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,023.52 : 18,787,356.36 = 7,419,071.94 : x
  2. Step 2: Convert to fraction form
    13,614,023.52/18,787,356.36 = 7,419,071.94/x
  3. Step 3: Cross multiply
    13,614,023.52x = 18,787,356.36 × 7,419,071.94
  4. Step 4: Simplify right side
    13,614,023.52x = 139,384,748,397,256.55
  5. Step 5: Solve for x
    x = 139,384,748,397,256.55/13,614,023.52
  6. Step 6: Final answer
    x = 10,238,321.40

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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.