Home / 20,084,256.56-30,124,678.44-7,950,420.92

Finding the Fourth Proportional to 20,084,256.56, 30,124,678.44 and 7,950,420.92

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Solution

The fourth proportional to 20,084,256.56, 30,124,678.44 and 7,950,420.92 is: 11,924,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084,256.56 : 30,124,678.44 = 7,950,420.92 : x
  2. Step 2: Convert to fraction form
    20,084,256.56/30,124,678.44 = 7,950,420.92/x
  3. Step 3: Cross multiply
    20,084,256.56x = 30,124,678.44 × 7,950,420.92
  4. Step 4: Simplify right side
    20,084,256.56x = 239,503,873,677,648.97
  5. Step 5: Solve for x
    x = 239,503,873,677,648.97/20,084,256.56
  6. Step 6: Final answer
    x = 11,924,955.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.