Home / 13,579,331.71-18,739,104.01-7,467,760.39

Finding the Fourth Proportional to 13,579,331.71, 18,739,104.01 and 7,467,760.39

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Solution

The fourth proportional to 13,579,331.71, 18,739,104.01 and 7,467,760.39 is: 10,305,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,331.71 : 18,739,104.01 = 7,467,760.39 : x
  2. Step 2: Convert to fraction form
    13,579,331.71/18,739,104.01 = 7,467,760.39/x
  3. Step 3: Cross multiply
    13,579,331.71x = 18,739,104.01 × 7,467,760.39
  4. Step 4: Simplify right side
    13,579,331.71x = 139,939,138,669,968.17
  5. Step 5: Solve for x
    x = 139,939,138,669,968.17/13,579,331.71
  6. Step 6: Final answer
    x = 10,305,303.80

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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.