Home / 30,310,153.38-45,493,973.82-18,760,684.52

Finding the Fourth Proportional to 30,310,153.38, 45,493,973.82 and 18,760,684.52

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Solution

The fourth proportional to 30,310,153.38, 45,493,973.82 and 18,760,684.52 is: 28,158,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,153.38 : 45,493,973.82 = 18,760,684.52 : x
  2. Step 2: Convert to fraction form
    30,310,153.38/45,493,973.82 = 18,760,684.52/x
  3. Step 3: Cross multiply
    30,310,153.38x = 45,493,973.82 × 18,760,684.52
  4. Step 4: Simplify right side
    30,310,153.38x = 853,498,090,170,689.38
  5. Step 5: Solve for x
    x = 853,498,090,170,689.38/30,310,153.38
  6. Step 6: Final answer
    x = 28,158,817.92

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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.