Home / 31,645,110.95-47,469,503.51-12,214,447.01

Finding the Fourth Proportional to 31,645,110.95, 47,469,503.51 and 12,214,447.01

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Solution

The fourth proportional to 31,645,110.95, 47,469,503.51 and 12,214,447.01 is: 18,322,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645,110.95 : 47,469,503.51 = 12,214,447.01 : x
  2. Step 2: Convert to fraction form
    31,645,110.95/47,469,503.51 = 12,214,447.01/x
  3. Step 3: Cross multiply
    31,645,110.95x = 47,469,503.51 × 12,214,447.01
  4. Step 4: Simplify right side
    31,645,110.95x = 579,813,735,213,904
  5. Step 5: Solve for x
    x = 579,813,735,213,904/31,645,110.95
  6. Step 6: Final answer
    x = 18,322,379.60

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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.