Home / 20,810,654,732.16-28,718,724,784.80-11,295,208,443.33

Finding the Fourth Proportional to 20,810,654,732.16, 28,718,724,784.80 and 11,295,208,443.33

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Solution

The fourth proportional to 20,810,654,732.16, 28,718,724,784.80 and 11,295,208,443.33 is: 15,587,399,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,654,732.16 : 28,718,724,784.80 = 11,295,208,443.33 : x
  2. Step 2: Convert to fraction form
    20,810,654,732.16/28,718,724,784.80 = 11,295,208,443.33/x
  3. Step 3: Cross multiply
    20,810,654,732.16x = 28,718,724,784.80 × 11,295,208,443.33
  4. Step 4: Simplify right side
    20,810,654,732.16x = 324,383,982,670,943,485,952
  5. Step 5: Solve for x
    x = 324,383,982,670,943,485,952/20,810,654,732.16
  6. Step 6: Final answer
    x = 15,587,399,187.86

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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.