Home / 18,710,611.88-25,820,644.39-10,125,907.88

Finding the Fourth Proportional to 18,710,611.88, 25,820,644.39 and 10,125,907.88

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Solution

The fourth proportional to 18,710,611.88, 25,820,644.39 and 10,125,907.88 is: 13,973,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710,611.88 : 25,820,644.39 = 10,125,907.88 : x
  2. Step 2: Convert to fraction form
    18,710,611.88/25,820,644.39 = 10,125,907.88/x
  3. Step 3: Cross multiply
    18,710,611.88x = 25,820,644.39 × 10,125,907.88
  4. Step 4: Simplify right side
    18,710,611.88x = 261,457,466,340,960.78
  5. Step 5: Solve for x
    x = 261,457,466,340,960.78/18,710,611.88
  6. Step 6: Final answer
    x = 13,973,752.87

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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.