Home / 31,605,947.58-47,408,939.82-8,886,844.83

Finding the Fourth Proportional to 31,605,947.58, 47,408,939.82 and 8,886,844.83

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Solution

The fourth proportional to 31,605,947.58, 47,408,939.82 and 8,886,844.83 is: 13,330,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,947.58 : 47,408,939.82 = 8,886,844.83 : x
  2. Step 2: Convert to fraction form
    31,605,947.58/47,408,939.82 = 8,886,844.83/x
  3. Step 3: Cross multiply
    31,605,947.58x = 47,408,939.82 × 8,886,844.83
  4. Step 4: Simplify right side
    31,605,947.58x = 421,315,891,912,931.69
  5. Step 5: Solve for x
    x = 421,315,891,912,931.69/31,605,947.58
  6. Step 6: Final answer
    x = 13,330,272.44

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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.