Home / 20,475,596.97-28,256,150.55-11,308,042.89

Finding the Fourth Proportional to 20,475,596.97, 28,256,150.55 and 11,308,042.89

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Solution

The fourth proportional to 20,475,596.97, 28,256,150.55 and 11,308,042.89 is: 15,605,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,475,596.97 : 28,256,150.55 = 11,308,042.89 : x
  2. Step 2: Convert to fraction form
    20,475,596.97/28,256,150.55 = 11,308,042.89/x
  3. Step 3: Cross multiply
    20,475,596.97x = 28,256,150.55 × 11,308,042.89
  4. Step 4: Simplify right side
    20,475,596.97x = 319,521,762,325,697.12
  5. Step 5: Solve for x
    x = 319,521,762,325,697.12/20,475,596.97
  6. Step 6: Final answer
    x = 15,605,003.50

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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.