Home / 12,579,759.68-18,865,990.56-4,901,692

Finding the Fourth Proportional to 12,579,759.68, 18,865,990.56 and 4,901,692

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Solution

The fourth proportional to 12,579,759.68, 18,865,990.56 and 4,901,692 is: 7,351,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579,759.68 : 18,865,990.56 = 4,901,692 : x
  2. Step 2: Convert to fraction form
    12,579,759.68/18,865,990.56 = 4,901,692/x
  3. Step 3: Cross multiply
    12,579,759.68x = 18,865,990.56 × 4,901,692
  4. Step 4: Simplify right side
    12,579,759.68x = 92,475,275,000,027.52
  5. Step 5: Solve for x
    x = 92,475,275,000,027.52/12,579,759.68
  6. Step 6: Final answer
    x = 7,351,116.19

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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.