Home / 31,818,963.58-47,708,912.32-12,365,475.31

Finding the Fourth Proportional to 31,818,963.58, 47,708,912.32 and 12,365,475.31

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Solution

The fourth proportional to 31,818,963.58, 47,708,912.32 and 12,365,475.31 is: 18,540,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818,963.58 : 47,708,912.32 = 12,365,475.31 : x
  2. Step 2: Convert to fraction form
    31,818,963.58/47,708,912.32 = 12,365,475.31/x
  3. Step 3: Cross multiply
    31,818,963.58x = 47,708,912.32 × 12,365,475.31
  4. Step 4: Simplify right side
    31,818,963.58x = 589,943,377,435,007.75
  5. Step 5: Solve for x
    x = 589,943,377,435,007.75/31,818,963.58
  6. Step 6: Final answer
    x = 18,540,622.04

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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.