Home / 18,411,119.50-27,608,674.89-5,277,644.91

Finding the Fourth Proportional to 18,411,119.50, 27,608,674.89 and 5,277,644.91

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Solution

The fourth proportional to 18,411,119.50, 27,608,674.89 and 5,277,644.91 is: 7,914,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,119.50 : 27,608,674.89 = 5,277,644.91 : x
  2. Step 2: Convert to fraction form
    18,411,119.50/27,608,674.89 = 5,277,644.91/x
  3. Step 3: Cross multiply
    18,411,119.50x = 27,608,674.89 × 5,277,644.91
  4. Step 4: Simplify right side
    18,411,119.50x = 145,708,782,495,157.72
  5. Step 5: Solve for x
    x = 145,708,782,495,157.72/18,411,119.50
  6. Step 6: Final answer
    x = 7,914,172.87

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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.