Home / 12,019,827.92-18,029,608.77-2,921,934.20

Finding the Fourth Proportional to 12,019,827.92, 18,029,608.77 and 2,921,934.20

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Solution

The fourth proportional to 12,019,827.92, 18,029,608.77 and 2,921,934.20 is: 4,382,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,827.92 : 18,029,608.77 = 2,921,934.20 : x
  2. Step 2: Convert to fraction form
    12,019,827.92/18,029,608.77 = 2,921,934.20/x
  3. Step 3: Cross multiply
    12,019,827.92x = 18,029,608.77 × 2,921,934.20
  4. Step 4: Simplify right side
    12,019,827.92x = 52,681,330,477,682.94
  5. Step 5: Solve for x
    x = 52,681,330,477,682.94/12,019,827.92
  6. Step 6: Final answer
    x = 4,382,868.94

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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.