Home / 31,419,632.25-47,128,975.05-14,135,627.07

Finding the Fourth Proportional to 31,419,632.25, 47,128,975.05 and 14,135,627.07

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Solution

The fourth proportional to 31,419,632.25, 47,128,975.05 and 14,135,627.07 is: 21,203,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419,632.25 : 47,128,975.05 = 14,135,627.07 : x
  2. Step 2: Convert to fraction form
    31,419,632.25/47,128,975.05 = 14,135,627.07/x
  3. Step 3: Cross multiply
    31,419,632.25x = 47,128,975.05 × 14,135,627.07
  4. Step 4: Simplify right side
    31,419,632.25x = 666,197,615,498,134.62
  5. Step 5: Solve for x
    x = 666,197,615,498,134.62/31,419,632.25
  6. Step 6: Final answer
    x = 21,203,227.66

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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.