Home / 31,864,579.53-43,965,561.47-18,112,461.09

Finding the Fourth Proportional to 31,864,579.53, 43,965,561.47 and 18,112,461.09

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Solution

The fourth proportional to 31,864,579.53, 43,965,561.47 and 18,112,461.09 is: 24,990,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864,579.53 : 43,965,561.47 = 18,112,461.09 : x
  2. Step 2: Convert to fraction form
    31,864,579.53/43,965,561.47 = 18,112,461.09/x
  3. Step 3: Cross multiply
    31,864,579.53x = 43,965,561.47 × 18,112,461.09
  4. Step 4: Simplify right side
    31,864,579.53x = 796,324,521,425,378.12
  5. Step 5: Solve for x
    x = 796,324,521,425,378.12/31,864,579.53
  6. Step 6: Final answer
    x = 24,990,900.03

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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.