Home / 31,212,126.72-46,813,459.84-8,494,794.24

Finding the Fourth Proportional to 31,212,126.72, 46,813,459.84 and 8,494,794.24

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Solution

The fourth proportional to 31,212,126.72, 46,813,459.84 and 8,494,794.24 is: 12,740,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212,126.72 : 46,813,459.84 = 8,494,794.24 : x
  2. Step 2: Convert to fraction form
    31,212,126.72/46,813,459.84 = 8,494,794.24/x
  3. Step 3: Cross multiply
    31,212,126.72x = 46,813,459.84 × 8,494,794.24
  4. Step 4: Simplify right side
    31,212,126.72x = 397,670,709,003,303.38
  5. Step 5: Solve for x
    x = 397,670,709,003,303.38/31,212,126.72
  6. Step 6: Final answer
    x = 12,740,903.96

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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.