Home / 13,877,415.53-20,828,080.71-9,620,573.12

Finding the Fourth Proportional to 13,877,415.53, 20,828,080.71 and 9,620,573.12

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Solution

The fourth proportional to 13,877,415.53, 20,828,080.71 and 9,620,573.12 is: 14,439,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,415.53 : 20,828,080.71 = 9,620,573.12 : x
  2. Step 2: Convert to fraction form
    13,877,415.53/20,828,080.71 = 9,620,573.12/x
  3. Step 3: Cross multiply
    13,877,415.53x = 20,828,080.71 × 9,620,573.12
  4. Step 4: Simplify right side
    13,877,415.53x = 200,378,073,419,816.50
  5. Step 5: Solve for x
    x = 200,378,073,419,816.50/13,877,415.53
  6. Step 6: Final answer
    x = 14,439,149.21

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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.