Home / 13,963,485.30-20,945,227.95-12,955,715.70

Finding the Fourth Proportional to 13,963,485.30, 20,945,227.95 and 12,955,715.70

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Solution

The fourth proportional to 13,963,485.30, 20,945,227.95 and 12,955,715.70 is: 19,433,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963,485.30 : 20,945,227.95 = 12,955,715.70 : x
  2. Step 2: Convert to fraction form
    13,963,485.30/20,945,227.95 = 12,955,715.70/x
  3. Step 3: Cross multiply
    13,963,485.30x = 20,945,227.95 × 12,955,715.70
  4. Step 4: Simplify right side
    13,963,485.30x = 271,360,418,591,893.78
  5. Step 5: Solve for x
    x = 271,360,418,591,893.78/13,963,485.30
  6. Step 6: Final answer
    x = 19,433,573.55

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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.