Home / 28,722,018.22-39,636,197.04-16,332,112.58

Finding the Fourth Proportional to 28,722,018.22, 39,636,197.04 and 16,332,112.58

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Solution

The fourth proportional to 28,722,018.22, 39,636,197.04 and 16,332,112.58 is: 22,538,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722,018.22 : 39,636,197.04 = 16,332,112.58 : x
  2. Step 2: Convert to fraction form
    28,722,018.22/39,636,197.04 = 16,332,112.58/x
  3. Step 3: Cross multiply
    28,722,018.22x = 39,636,197.04 × 16,332,112.58
  4. Step 4: Simplify right side
    28,722,018.22x = 647,342,832,300,342.75
  5. Step 5: Solve for x
    x = 647,342,832,300,342.75/28,722,018.22
  6. Step 6: Final answer
    x = 22,538,208.40

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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.