Home / 22,914,949.60-31,621,999.86-12,601,672.72

Finding the Fourth Proportional to 22,914,949.60, 31,621,999.86 and 12,601,672.72

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Solution

The fourth proportional to 22,914,949.60, 31,621,999.86 and 12,601,672.72 is: 17,389,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,914,949.60 : 31,621,999.86 = 12,601,672.72 : x
  2. Step 2: Convert to fraction form
    22,914,949.60/31,621,999.86 = 12,601,672.72/x
  3. Step 3: Cross multiply
    22,914,949.60x = 31,621,999.86 × 12,601,672.72
  4. Step 4: Simplify right side
    22,914,949.60x = 398,490,092,987,605.81
  5. Step 5: Solve for x
    x = 398,490,092,987,605.81/22,914,949.60
  6. Step 6: Final answer
    x = 17,389,961.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.