Home / 18,523,411.80-27,800,864.10-8,303,998.20

Finding the Fourth Proportional to 18,523,411.80, 27,800,864.10 and 8,303,998.20

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Solution

The fourth proportional to 18,523,411.80, 27,800,864.10 and 8,303,998.20 is: 12,463,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523,411.80 : 27,800,864.10 = 8,303,998.20 : x
  2. Step 2: Convert to fraction form
    18,523,411.80/27,800,864.10 = 8,303,998.20/x
  3. Step 3: Cross multiply
    18,523,411.80x = 27,800,864.10 × 8,303,998.20
  4. Step 4: Simplify right side
    18,523,411.80x = 230,858,325,444,844.62
  5. Step 5: Solve for x
    x = 230,858,325,444,844.62/18,523,411.80
  6. Step 6: Final answer
    x = 12,463,056.37

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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.