Home / 18,521,000.10-27,784,452.60-7,732,747.80

Finding the Fourth Proportional to 18,521,000.10, 27,784,452.60 and 7,732,747.80

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Solution

The fourth proportional to 18,521,000.10, 27,784,452.60 and 7,732,747.80 is: 11,600,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,000.10 : 27,784,452.60 = 7,732,747.80 : x
  2. Step 2: Convert to fraction form
    18,521,000.10/27,784,452.60 = 7,732,747.80/x
  3. Step 3: Cross multiply
    18,521,000.10x = 27,784,452.60 × 7,732,747.80
  4. Step 4: Simplify right side
    18,521,000.10x = 214,850,164,716,854.28
  5. Step 5: Solve for x
    x = 214,850,164,716,854.28/18,521,000.10
  6. Step 6: Final answer
    x = 11,600,354.38

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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.