Home / 18,363,025.20-27,544,537.80-9,859,969.20

Finding the Fourth Proportional to 18,363,025.20, 27,544,537.80 and 9,859,969.20

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Solution

The fourth proportional to 18,363,025.20, 27,544,537.80 and 9,859,969.20 is: 14,789,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363,025.20 : 27,544,537.80 = 9,859,969.20 : x
  2. Step 2: Convert to fraction form
    18,363,025.20/27,544,537.80 = 9,859,969.20/x
  3. Step 3: Cross multiply
    18,363,025.20x = 27,544,537.80 × 9,859,969.20
  4. Step 4: Simplify right side
    18,363,025.20x = 271,588,294,336,235.75
  5. Step 5: Solve for x
    x = 271,588,294,336,235.75/18,363,025.20
  6. Step 6: Final answer
    x = 14,789,953.80

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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.