Home / 31,006,613.70-46,509,920.55-20,236,076.10

Finding the Fourth Proportional to 31,006,613.70, 46,509,920.55 and 20,236,076.10

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Solution

The fourth proportional to 31,006,613.70, 46,509,920.55 and 20,236,076.10 is: 30,354,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006,613.70 : 46,509,920.55 = 20,236,076.10 : x
  2. Step 2: Convert to fraction form
    31,006,613.70/46,509,920.55 = 20,236,076.10/x
  3. Step 3: Cross multiply
    31,006,613.70x = 46,509,920.55 × 20,236,076.10
  4. Step 4: Simplify right side
    31,006,613.70x = 941,178,291,654,753.88
  5. Step 5: Solve for x
    x = 941,178,291,654,753.88/31,006,613.70
  6. Step 6: Final answer
    x = 30,354,114.15

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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.