Home / 31,212,102.88-46,813,423.92-8,494,770.40

Finding the Fourth Proportional to 31,212,102.88, 46,813,423.92 and 8,494,770.40

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Solution

The fourth proportional to 31,212,102.88, 46,813,423.92 and 8,494,770.40 is: 12,740,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212,102.88 : 46,813,423.92 = 8,494,770.40 : x
  2. Step 2: Convert to fraction form
    31,212,102.88/46,813,423.92 = 8,494,770.40/x
  3. Step 3: Cross multiply
    31,212,102.88x = 46,813,423.92 × 8,494,770.40
  4. Step 4: Simplify right side
    31,212,102.88x = 397,669,287,838,268
  5. Step 5: Solve for x
    x = 397,669,287,838,268/31,212,102.88
  6. Step 6: Final answer
    x = 12,740,868.16

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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.