Home / 18,442,893.90-27,664,340.85-9,939,837.90

Finding the Fourth Proportional to 18,442,893.90, 27,664,340.85 and 9,939,837.90

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Solution

The fourth proportional to 18,442,893.90, 27,664,340.85 and 9,939,837.90 is: 14,909,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,893.90 : 27,664,340.85 = 9,939,837.90 : x
  2. Step 2: Convert to fraction form
    18,442,893.90/27,664,340.85 = 9,939,837.90/x
  3. Step 3: Cross multiply
    18,442,893.90x = 27,664,340.85 × 9,939,837.90
  4. Step 4: Simplify right side
    18,442,893.90x = 274,979,063,659,348.25
  5. Step 5: Solve for x
    x = 274,979,063,659,348.25/18,442,893.90
  6. Step 6: Final answer
    x = 14,909,756.85

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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.