Home / 15,781,509.35-21,793,523.95-14,921,743.56

Finding the Fourth Proportional to 15,781,509.35, 21,793,523.95 and 14,921,743.56

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Solution

The fourth proportional to 15,781,509.35, 21,793,523.95 and 14,921,743.56 is: 20,606,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,509.35 : 21,793,523.95 = 14,921,743.56 : x
  2. Step 2: Convert to fraction form
    15,781,509.35/21,793,523.95 = 14,921,743.56/x
  3. Step 3: Cross multiply
    15,781,509.35x = 21,793,523.95 × 14,921,743.56
  4. Step 4: Simplify right side
    15,781,509.35x = 325,197,375,587,544.75
  5. Step 5: Solve for x
    x = 325,197,375,587,544.75/15,781,509.35
  6. Step 6: Final answer
    x = 20,606,227.73

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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.