Home / 31,943,986.86-47,924,059.50-8,914,917.36

Finding the Fourth Proportional to 31,943,986.86, 47,924,059.50 and 8,914,917.36

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Solution

The fourth proportional to 31,943,986.86, 47,924,059.50 and 8,914,917.36 is: 13,374,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943,986.86 : 47,924,059.50 = 8,914,917.36 : x
  2. Step 2: Convert to fraction form
    31,943,986.86/47,924,059.50 = 8,914,917.36/x
  3. Step 3: Cross multiply
    31,943,986.86x = 47,924,059.50 × 8,914,917.36
  4. Step 4: Simplify right side
    31,943,986.86x = 427,239,029,998,222.88
  5. Step 5: Solve for x
    x = 427,239,029,998,222.88/31,943,986.86
  6. Step 6: Final answer
    x = 13,374,630.78

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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.