Home / 31,691,441.52-47,543,985.72-9,831,377.79

Finding the Fourth Proportional to 31,691,441.52, 47,543,985.72 and 9,831,377.79

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Solution

The fourth proportional to 31,691,441.52, 47,543,985.72 and 9,831,377.79 is: 14,749,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691,441.52 : 47,543,985.72 = 9,831,377.79 : x
  2. Step 2: Convert to fraction form
    31,691,441.52/47,543,985.72 = 9,831,377.79/x
  3. Step 3: Cross multiply
    31,691,441.52x = 47,543,985.72 × 9,831,377.79
  4. Step 4: Simplify right side
    31,691,441.52x = 467,422,885,255,685.12
  5. Step 5: Solve for x
    x = 467,422,885,255,685.12/31,691,441.52
  6. Step 6: Final answer
    x = 14,749,183.47

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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.