Home / 20,342,094.08-28,079,456.10-13,468,790.48

Finding the Fourth Proportional to 20,342,094.08, 28,079,456.10 and 13,468,790.48

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Solution

The fourth proportional to 20,342,094.08, 28,079,456.10 and 13,468,790.48 is: 18,591,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,094.08 : 28,079,456.10 = 13,468,790.48 : x
  2. Step 2: Convert to fraction form
    20,342,094.08/28,079,456.10 = 13,468,790.48/x
  3. Step 3: Cross multiply
    20,342,094.08x = 28,079,456.10 × 13,468,790.48
  4. Step 4: Simplify right side
    20,342,094.08x = 378,196,311,003,257.94
  5. Step 5: Solve for x
    x = 378,196,311,003,257.94/20,342,094.08
  6. Step 6: Final answer
    x = 18,591,808.17

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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.