Home / 30,361,122.09-45,468,708.41-17,367,881.72

Finding the Fourth Proportional to 30,361,122.09, 45,468,708.41 and 17,367,881.72

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Solution

The fourth proportional to 30,361,122.09, 45,468,708.41 and 17,367,881.72 is: 26,010,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361,122.09 : 45,468,708.41 = 17,367,881.72 : x
  2. Step 2: Convert to fraction form
    30,361,122.09/45,468,708.41 = 17,367,881.72/x
  3. Step 3: Cross multiply
    30,361,122.09x = 45,468,708.41 × 17,367,881.72
  4. Step 4: Simplify right side
    30,361,122.09x = 789,695,149,442,125.50
  5. Step 5: Solve for x
    x = 789,695,149,442,125.50/30,361,122.09
  6. Step 6: Final answer
    x = 26,010,077.86

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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.