Home / 30,086,040.72-45,028,504.61-17,128,712.95

Finding the Fourth Proportional to 30,086,040.72, 45,028,504.61 and 17,128,712.95

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Solution

The fourth proportional to 30,086,040.72, 45,028,504.61 and 17,128,712.95 is: 25,635,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086,040.72 : 45,028,504.61 = 17,128,712.95 : x
  2. Step 2: Convert to fraction form
    30,086,040.72/45,028,504.61 = 17,128,712.95/x
  3. Step 3: Cross multiply
    30,086,040.72x = 45,028,504.61 × 17,128,712.95
  4. Step 4: Simplify right side
    30,086,040.72x = 771,280,330,032,441.62
  5. Step 5: Solve for x
    x = 771,280,330,032,441.62/30,086,040.72
  6. Step 6: Final answer
    x = 25,635,820.19

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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.