Home / 13,579,287-18,739,042.22-7,467,715.64

Finding the Fourth Proportional to 13,579,287, 18,739,042.22 and 7,467,715.64

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Solution

The fourth proportional to 13,579,287, 18,739,042.22 and 7,467,715.64 is: 10,305,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,287 : 18,739,042.22 = 7,467,715.64 : x
  2. Step 2: Convert to fraction form
    13,579,287/18,739,042.22 = 7,467,715.64/x
  3. Step 3: Cross multiply
    13,579,287x = 18,739,042.22 × 7,467,715.64
  4. Step 4: Simplify right side
    13,579,287x = 139,937,838,664,914.31
  5. Step 5: Solve for x
    x = 139,937,838,664,914.31/13,579,287
  6. Step 6: Final answer
    x = 10,305,242.00

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