Home / 31,691,446.05-47,543,992.47-9,831,382.32

Finding the Fourth Proportional to 31,691,446.05, 47,543,992.47 and 9,831,382.32

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Solution

The fourth proportional to 31,691,446.05, 47,543,992.47 and 9,831,382.32 is: 14,749,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691,446.05 : 47,543,992.47 = 9,831,382.32 : x
  2. Step 2: Convert to fraction form
    31,691,446.05/47,543,992.47 = 9,831,382.32/x
  3. Step 3: Cross multiply
    31,691,446.05x = 47,543,992.47 × 9,831,382.32
  4. Step 4: Simplify right side
    31,691,446.05x = 467,423,166,991,771.12
  5. Step 5: Solve for x
    x = 467,423,166,991,771.12/31,691,446.05
  6. Step 6: Final answer
    x = 14,749,190.25

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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.