Home / 30,906,584.83-42,648,952.17-17,154,466.39

Finding the Fourth Proportional to 30,906,584.83, 42,648,952.17 and 17,154,466.39

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Solution

The fourth proportional to 30,906,584.83, 42,648,952.17 and 17,154,466.39 is: 23,671,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906,584.83 : 42,648,952.17 = 17,154,466.39 : x
  2. Step 2: Convert to fraction form
    30,906,584.83/42,648,952.17 = 17,154,466.39/x
  3. Step 3: Cross multiply
    30,906,584.83x = 42,648,952.17 × 17,154,466.39
  4. Step 4: Simplify right side
    30,906,584.83x = 731,620,016,568,982.62
  5. Step 5: Solve for x
    x = 731,620,016,568,982.62/30,906,584.83
  6. Step 6: Final answer
    x = 23,671,978.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.