Home / 13,588,783.70-18,751,959.27-7,393,855.91

Finding the Fourth Proportional to 13,588,783.70, 18,751,959.27 and 7,393,855.91

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Solution

The fourth proportional to 13,588,783.70, 18,751,959.27 and 7,393,855.91 is: 10,203,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588,783.70 : 18,751,959.27 = 7,393,855.91 : x
  2. Step 2: Convert to fraction form
    13,588,783.70/18,751,959.27 = 7,393,855.91/x
  3. Step 3: Cross multiply
    13,588,783.70x = 18,751,959.27 × 7,393,855.91
  4. Step 4: Simplify right side
    13,588,783.70x = 138,649,284,778,808.98
  5. Step 5: Solve for x
    x = 138,649,284,778,808.98/13,588,783.70
  6. Step 6: Final answer
    x = 10,203,215.23

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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.