Home / 22,128,148.52-30,537,221.04-12,206,169.62

Finding the Fourth Proportional to 22,128,148.52, 30,537,221.04 and 12,206,169.62

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Solution

The fourth proportional to 22,128,148.52, 30,537,221.04 and 12,206,169.62 is: 16,844,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,148.52 : 30,537,221.04 = 12,206,169.62 : x
  2. Step 2: Convert to fraction form
    22,128,148.52/30,537,221.04 = 12,206,169.62/x
  3. Step 3: Cross multiply
    22,128,148.52x = 30,537,221.04 × 12,206,169.62
  4. Step 4: Simplify right side
    22,128,148.52x = 372,742,499,737,672.75
  5. Step 5: Solve for x
    x = 372,742,499,737,672.75/22,128,148.52
  6. Step 6: Final answer
    x = 16,844,721.53

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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.