Home / 21,290,046.15-31,934,609.65-5,936,926.87

Finding the Fourth Proportional to 21,290,046.15, 31,934,609.65 and 5,936,926.87

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Solution

The fourth proportional to 21,290,046.15, 31,934,609.65 and 5,936,926.87 is: 8,905,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,046.15 : 31,934,609.65 = 5,936,926.87 : x
  2. Step 2: Convert to fraction form
    21,290,046.15/31,934,609.65 = 5,936,926.87/x
  3. Step 3: Cross multiply
    21,290,046.15x = 31,934,609.65 × 5,936,926.87
  4. Step 4: Simplify right side
    21,290,046.15x = 189,593,442,019,367.44
  5. Step 5: Solve for x
    x = 189,593,442,019,367.44/21,290,046.15
  6. Step 6: Final answer
    x = 8,905,262.14

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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.