Home / 28,823,182.80-39,775,966.02-15,770,496.12

Finding the Fourth Proportional to 28,823,182.80, 39,775,966.02 and 15,770,496.12

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Solution

The fourth proportional to 28,823,182.80, 39,775,966.02 and 15,770,496.12 is: 21,763,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823,182.80 : 39,775,966.02 = 15,770,496.12 : x
  2. Step 2: Convert to fraction form
    28,823,182.80/39,775,966.02 = 15,770,496.12/x
  3. Step 3: Cross multiply
    28,823,182.80x = 39,775,966.02 × 15,770,496.12
  4. Step 4: Simplify right side
    28,823,182.80x = 627,286,717,787,661.88
  5. Step 5: Solve for x
    x = 627,286,717,787,661.88/28,823,182.80
  6. Step 6: Final answer
    x = 21,763,270.29

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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.