Home / 28,435,811.27-42,654,930.78-11,167,754.51

Finding the Fourth Proportional to 28,435,811.27, 42,654,930.78 and 11,167,754.51

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Solution

The fourth proportional to 28,435,811.27, 42,654,930.78 and 11,167,754.51 is: 16,752,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435,811.27 : 42,654,930.78 = 11,167,754.51 : x
  2. Step 2: Convert to fraction form
    28,435,811.27/42,654,930.78 = 11,167,754.51/x
  3. Step 3: Cross multiply
    28,435,811.27x = 42,654,930.78 × 11,167,754.51
  4. Step 4: Simplify right side
    28,435,811.27x = 476,359,795,378,808.19
  5. Step 5: Solve for x
    x = 476,359,795,378,808.19/28,435,811.27
  6. Step 6: Final answer
    x = 16,752,108.49

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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.