Home / 13,481,801.90-20,222,702.85-9,702,665.90

Finding the Fourth Proportional to 13,481,801.90, 20,222,702.85 and 9,702,665.90

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Solution

The fourth proportional to 13,481,801.90, 20,222,702.85 and 9,702,665.90 is: 14,553,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,801.90 : 20,222,702.85 = 9,702,665.90 : x
  2. Step 2: Convert to fraction form
    13,481,801.90/20,222,702.85 = 9,702,665.90/x
  3. Step 3: Cross multiply
    13,481,801.90x = 20,222,702.85 × 9,702,665.90
  4. Step 4: Simplify right side
    13,481,801.90x = 196,214,129,348,527.84
  5. Step 5: Solve for x
    x = 196,214,129,348,527.84/13,481,801.90
  6. Step 6: Final answer
    x = 14,553,998.85

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1.5x scale

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.