Home / 31,280,211.72-46,920,223.67-7,936,909.38

Finding the Fourth Proportional to 31,280,211.72, 46,920,223.67 and 7,936,909.38

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Solution

The fourth proportional to 31,280,211.72, 46,920,223.67 and 7,936,909.38 is: 11,905,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280,211.72 : 46,920,223.67 = 7,936,909.38 : x
  2. Step 2: Convert to fraction form
    31,280,211.72/46,920,223.67 = 7,936,909.38/x
  3. Step 3: Cross multiply
    31,280,211.72x = 46,920,223.67 × 7,936,909.38
  4. Step 4: Simplify right side
    31,280,211.72x = 372,401,563,318,436.44
  5. Step 5: Solve for x
    x = 372,401,563,318,436.44/31,280,211.72
  6. Step 6: Final answer
    x = 11,905,340.24

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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.