Home / 31,558,890-47,298,817.62-16,949,908.56

Finding the Fourth Proportional to 31,558,890, 47,298,817.62 and 16,949,908.56

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Solution

The fourth proportional to 31,558,890, 47,298,817.62 and 16,949,908.56 is: 25,403,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558,890 : 47,298,817.62 = 16,949,908.56 : x
  2. Step 2: Convert to fraction form
    31,558,890/47,298,817.62 = 16,949,908.56/x
  3. Step 3: Cross multiply
    31,558,890x = 47,298,817.62 × 16,949,908.56
  4. Step 4: Simplify right side
    31,558,890x = 801,710,633,655,116.75
  5. Step 5: Solve for x
    x = 801,710,633,655,116.75/31,558,890
  6. Step 6: Final answer
    x = 25,403,638.52

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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.