Home / 28,811,869.54-43,217,878.13-11,772,542.48

Finding the Fourth Proportional to 28,811,869.54, 43,217,878.13 and 11,772,542.48

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Solution

The fourth proportional to 28,811,869.54, 43,217,878.13 and 11,772,542.48 is: 17,658,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,869.54 : 43,217,878.13 = 11,772,542.48 : x
  2. Step 2: Convert to fraction form
    28,811,869.54/43,217,878.13 = 11,772,542.48/x
  3. Step 3: Cross multiply
    28,811,869.54x = 43,217,878.13 × 11,772,542.48
  4. Step 4: Simplify right side
    28,811,869.54x = 508,784,306,160,067.31
  5. Step 5: Solve for x
    x = 508,784,306,160,067.31/28,811,869.54
  6. Step 6: Final answer
    x = 17,658,843.88

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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.