Home / 28,722,017.22-39,636,195.66-16,332,111.58

Finding the Fourth Proportional to 28,722,017.22, 39,636,195.66 and 16,332,111.58

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Solution

The fourth proportional to 28,722,017.22, 39,636,195.66 and 16,332,111.58 is: 22,538,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722,017.22 : 39,636,195.66 = 16,332,111.58 : x
  2. Step 2: Convert to fraction form
    28,722,017.22/39,636,195.66 = 16,332,111.58/x
  3. Step 3: Cross multiply
    28,722,017.22x = 39,636,195.66 × 16,332,111.58
  4. Step 4: Simplify right side
    28,722,017.22x = 647,342,770,125,831.62
  5. Step 5: Solve for x
    x = 647,342,770,125,831.62/28,722,017.22
  6. Step 6: Final answer
    x = 22,538,207.02

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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.