Home / 28,384,618.39-39,170,789.09-15,331,877.24

Finding the Fourth Proportional to 28,384,618.39, 39,170,789.09 and 15,331,877.24

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Solution

The fourth proportional to 28,384,618.39, 39,170,789.09 and 15,331,877.24 is: 21,157,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384,618.39 : 39,170,789.09 = 15,331,877.24 : x
  2. Step 2: Convert to fraction form
    28,384,618.39/39,170,789.09 = 15,331,877.24/x
  3. Step 3: Cross multiply
    28,384,618.39x = 39,170,789.09 × 15,331,877.24
  4. Step 4: Simplify right side
    28,384,618.39x = 600,561,729,506,792.50
  5. Step 5: Solve for x
    x = 600,561,729,506,792.50/28,384,618.39
  6. Step 6: Final answer
    x = 21,157,999.07

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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.