Home / 31,818,969.37-47,708,920.99-12,365,481.10

Finding the Fourth Proportional to 31,818,969.37, 47,708,920.99 and 12,365,481.10

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Solution

The fourth proportional to 31,818,969.37, 47,708,920.99 and 12,365,481.10 is: 18,540,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818,969.37 : 47,708,920.99 = 12,365,481.10 : x
  2. Step 2: Convert to fraction form
    31,818,969.37/47,708,920.99 = 12,365,481.10/x
  3. Step 3: Cross multiply
    31,818,969.37x = 47,708,920.99 × 12,365,481.10
  4. Step 4: Simplify right side
    31,818,969.37x = 589,943,760,803,238.25
  5. Step 5: Solve for x
    x = 589,943,760,803,238.25/31,818,969.37
  6. Step 6: Final answer
    x = 18,540,630.71

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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.