Home / 18,155,998.20-27,265,490.10-9,652,942.20

Finding the Fourth Proportional to 18,155,998.20, 27,265,490.10 and 9,652,942.20

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Solution

The fourth proportional to 18,155,998.20, 27,265,490.10 and 9,652,942.20 is: 14,496,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,998.20 : 27,265,490.10 = 9,652,942.20 : x
  2. Step 2: Convert to fraction form
    18,155,998.20/27,265,490.10 = 9,652,942.20/x
  3. Step 3: Cross multiply
    18,155,998.20x = 27,265,490.10 × 9,652,942.20
  4. Step 4: Simplify right side
    18,155,998.20x = 263,192,199,989,972.22
  5. Step 5: Solve for x
    x = 263,192,199,989,972.22/18,155,998.20
  6. Step 6: Final answer
    x = 14,496,156.98

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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.