Home / 13,887,428.94-19,201,205.52-12,163,591.80

Finding the Fourth Proportional to 13,887,428.94, 19,201,205.52 and 12,163,591.80

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Solution

The fourth proportional to 13,887,428.94, 19,201,205.52 and 12,163,591.80 is: 16,817,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,428.94 : 19,201,205.52 = 12,163,591.80 : x
  2. Step 2: Convert to fraction form
    13,887,428.94/19,201,205.52 = 12,163,591.80/x
  3. Step 3: Cross multiply
    13,887,428.94x = 19,201,205.52 × 12,163,591.80
  4. Step 4: Simplify right side
    13,887,428.94x = 233,555,626,013,186.75
  5. Step 5: Solve for x
    x = 233,555,626,013,186.75/13,887,428.94
  6. Step 6: Final answer
    x = 16,817,772.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.