Home / 18,388,458.18-27,563,761.50-8,158,135.86

Finding the Fourth Proportional to 18,388,458.18, 27,563,761.50 and 8,158,135.86

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Solution

The fourth proportional to 18,388,458.18, 27,563,761.50 and 8,158,135.86 is: 12,228,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,458.18 : 27,563,761.50 = 8,158,135.86 : x
  2. Step 2: Convert to fraction form
    18,388,458.18/27,563,761.50 = 8,158,135.86/x
  3. Step 3: Cross multiply
    18,388,458.18x = 27,563,761.50 × 8,158,135.86
  4. Step 4: Simplify right side
    18,388,458.18x = 224,868,911,129,637.41
  5. Step 5: Solve for x
    x = 224,868,911,129,637.41/18,388,458.18
  6. Step 6: Final answer
    x = 12,228,807.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.