Home / 28,803,373,917.54-39,747,793,089.80-15,943,540,996.12

Finding the Fourth Proportional to 28,803,373,917.54, 39,747,793,089.80 and 15,943,540,996.12

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Solution

The fourth proportional to 28,803,373,917.54, 39,747,793,089.80 and 15,943,540,996.12 is: 22,001,608,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,373,917.54 : 39,747,793,089.80 = 15,943,540,996.12 : x
  2. Step 2: Convert to fraction form
    28,803,373,917.54/39,747,793,089.80 = 15,943,540,996.12/x
  3. Step 3: Cross multiply
    28,803,373,917.54x = 39,747,793,089.80 × 15,943,540,996.12
  4. Step 4: Simplify right side
    28,803,373,917.54x = 633,720,568,632,521,654,272
  5. Step 5: Solve for x
    x = 633,720,568,632,521,654,272/28,803,373,917.54
  6. Step 6: Final answer
    x = 22,001,608,924.25

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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.