Home / 11,910,036.69-17,865,165.60-3,390,372.86

Finding the Fourth Proportional to 11,910,036.69, 17,865,165.60 and 3,390,372.86

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Solution

The fourth proportional to 11,910,036.69, 17,865,165.60 and 3,390,372.86 is: 5,085,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910,036.69 : 17,865,165.60 = 3,390,372.86 : x
  2. Step 2: Convert to fraction form
    11,910,036.69/17,865,165.60 = 3,390,372.86/x
  3. Step 3: Cross multiply
    11,910,036.69x = 17,865,165.60 × 3,390,372.86
  4. Step 4: Simplify right side
    11,910,036.69x = 60,569,572,500,319.79
  5. Step 5: Solve for x
    x = 60,569,572,500,319.79/11,910,036.69
  6. Step 6: Final answer
    x = 5,085,590.76

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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.