Home / 31,280,213.72-46,920,226.66-7,936,911.38

Finding the Fourth Proportional to 31,280,213.72, 46,920,226.66 and 7,936,911.38

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Solution

The fourth proportional to 31,280,213.72, 46,920,226.66 and 7,936,911.38 is: 11,905,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280,213.72 : 46,920,226.66 = 7,936,911.38 : x
  2. Step 2: Convert to fraction form
    31,280,213.72/46,920,226.66 = 7,936,911.38/x
  3. Step 3: Cross multiply
    31,280,213.72x = 46,920,226.66 × 7,936,911.38
  4. Step 4: Simplify right side
    31,280,213.72x = 372,401,680,929,933.38
  5. Step 5: Solve for x
    x = 372,401,680,929,933.38/31,280,213.72
  6. Step 6: Final answer
    x = 11,905,343.24

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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.