Home / 31,659,629.63-47,497,631.81-18,540,126.18

Finding the Fourth Proportional to 31,659,629.63, 47,497,631.81 and 18,540,126.18

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Solution

The fourth proportional to 31,659,629.63, 47,497,631.81 and 18,540,126.18 is: 27,814,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659,629.63 : 47,497,631.81 = 18,540,126.18 : x
  2. Step 2: Convert to fraction form
    31,659,629.63/47,497,631.81 = 18,540,126.18/x
  3. Step 3: Cross multiply
    31,659,629.63x = 47,497,631.81 × 18,540,126.18
  4. Step 4: Simplify right side
    31,659,629.63x = 880,612,086,915,881.12
  5. Step 5: Solve for x
    x = 880,612,086,915,881.12/31,659,629.63
  6. Step 6: Final answer
    x = 27,814,983.86

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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.