Home / 31,354,905.15-47,014,052.54-12,163,236.57

Finding the Fourth Proportional to 31,354,905.15, 47,014,052.54 and 12,163,236.57

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Solution

The fourth proportional to 31,354,905.15, 47,014,052.54 and 12,163,236.57 is: 18,237,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354,905.15 : 47,014,052.54 = 12,163,236.57 : x
  2. Step 2: Convert to fraction form
    31,354,905.15/47,014,052.54 = 12,163,236.57/x
  3. Step 3: Cross multiply
    31,354,905.15x = 47,014,052.54 × 12,163,236.57
  4. Step 4: Simplify right side
    31,354,905.15x = 571,843,043,097,613.12
  5. Step 5: Solve for x
    x = 571,843,043,097,613.12/31,354,905.15
  6. Step 6: Final answer
    x = 18,237,753.88

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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.