Home / 15,689,125.94-23,483,067.15-8,105,659.70

Finding the Fourth Proportional to 15,689,125.94, 23,483,067.15 and 8,105,659.70

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Solution

The fourth proportional to 15,689,125.94, 23,483,067.15 and 8,105,659.70 is: 12,132,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689,125.94 : 23,483,067.15 = 8,105,659.70 : x
  2. Step 2: Convert to fraction form
    15,689,125.94/23,483,067.15 = 8,105,659.70/x
  3. Step 3: Cross multiply
    15,689,125.94x = 23,483,067.15 × 8,105,659.70
  4. Step 4: Simplify right side
    15,689,125.94x = 190,345,751,030,148.84
  5. Step 5: Solve for x
    x = 190,345,751,030,148.84/15,689,125.94
  6. Step 6: Final answer
    x = 12,132,336.23

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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.