Home / 20,342,071.08-28,079,424.36-13,468,767.48

Finding the Fourth Proportional to 20,342,071.08, 28,079,424.36 and 13,468,767.48

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Solution

The fourth proportional to 20,342,071.08, 28,079,424.36 and 13,468,767.48 is: 18,591,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,071.08 : 28,079,424.36 = 13,468,767.48 : x
  2. Step 2: Convert to fraction form
    20,342,071.08/28,079,424.36 = 13,468,767.48/x
  3. Step 3: Cross multiply
    20,342,071.08x = 28,079,424.36 × 13,468,767.48
  4. Step 4: Simplify right side
    20,342,071.08x = 378,195,237,677,087.81
  5. Step 5: Solve for x
    x = 378,195,237,677,087.81/20,342,071.08
  6. Step 6: Final answer
    x = 18,591,776.43

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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.