Home / 20,475,593.96-28,256,146.43-11,308,039.88

Finding the Fourth Proportional to 20,475,593.96, 28,256,146.43 and 11,308,039.88

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Solution

The fourth proportional to 20,475,593.96, 28,256,146.43 and 11,308,039.88 is: 15,604,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,475,593.96 : 28,256,146.43 = 11,308,039.88 : x
  2. Step 2: Convert to fraction form
    20,475,593.96/28,256,146.43 = 11,308,039.88/x
  3. Step 3: Cross multiply
    20,475,593.96x = 28,256,146.43 × 11,308,039.88
  4. Step 4: Simplify right side
    20,475,593.96x = 319,521,630,487,738.69
  5. Step 5: Solve for x
    x = 319,521,630,487,738.69/20,475,593.96
  6. Step 6: Final answer
    x = 15,604,999.36

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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.