Home / 31,015,298.90-46,532,912.85-20,791,702.65

Finding the Fourth Proportional to 31,015,298.90, 46,532,912.85 and 20,791,702.65

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Solution

The fourth proportional to 31,015,298.90, 46,532,912.85 and 20,791,702.65 is: 31,194,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015,298.90 : 46,532,912.85 = 20,791,702.65 : x
  2. Step 2: Convert to fraction form
    31,015,298.90/46,532,912.85 = 20,791,702.65/x
  3. Step 3: Cross multiply
    31,015,298.90x = 46,532,912.85 × 20,791,702.65
  4. Step 4: Simplify right side
    31,015,298.90x = 967,498,487,415,564
  5. Step 5: Solve for x
    x = 967,498,487,415,564/31,015,298.90
  6. Step 6: Final answer
    x = 31,194,233.87

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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.