Home / 11,906,891.40-17,865,002.70-4,717,201.80

Finding the Fourth Proportional to 11,906,891.40, 17,865,002.70 and 4,717,201.80

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Solution

The fourth proportional to 11,906,891.40, 17,865,002.70 and 4,717,201.80 is: 7,077,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906,891.40 : 17,865,002.70 = 4,717,201.80 : x
  2. Step 2: Convert to fraction form
    11,906,891.40/17,865,002.70 = 4,717,201.80/x
  3. Step 3: Cross multiply
    11,906,891.40x = 17,865,002.70 × 4,717,201.80
  4. Step 4: Simplify right side
    11,906,891.40x = 84,272,822,893,444.86
  5. Step 5: Solve for x
    x = 84,272,822,893,444.86/11,906,891.40
  6. Step 6: Final answer
    x = 7,077,651.09

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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.