Home / 19,646,576.33-26,915,905.94-18,910,225.78

Finding the Fourth Proportional to 19,646,576.33, 26,915,905.94 and 18,910,225.78

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Solution

The fourth proportional to 19,646,576.33, 26,915,905.94 and 18,910,225.78 is: 25,907,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646,576.33 : 26,915,905.94 = 18,910,225.78 : x
  2. Step 2: Convert to fraction form
    19,646,576.33/26,915,905.94 = 18,910,225.78/x
  3. Step 3: Cross multiply
    19,646,576.33x = 26,915,905.94 × 18,910,225.78
  4. Step 4: Simplify right side
    19,646,576.33x = 508,985,858,236,802.19
  5. Step 5: Solve for x
    x = 508,985,858,236,802.19/19,646,576.33
  6. Step 6: Final answer
    x = 25,907,102.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.