Home / 18,431,149.80-27,646,724.70-9,361,223.40

Finding the Fourth Proportional to 18,431,149.80, 27,646,724.70 and 9,361,223.40

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Solution

The fourth proportional to 18,431,149.80, 27,646,724.70 and 9,361,223.40 is: 14,041,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,149.80 : 27,646,724.70 = 9,361,223.40 : x
  2. Step 2: Convert to fraction form
    18,431,149.80/27,646,724.70 = 9,361,223.40/x
  3. Step 3: Cross multiply
    18,431,149.80x = 27,646,724.70 × 9,361,223.40
  4. Step 4: Simplify right side
    18,431,149.80x = 258,807,166,194,997.97
  5. Step 5: Solve for x
    x = 258,807,166,194,997.97/18,431,149.80
  6. Step 6: Final answer
    x = 14,041,835.10

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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.