Home / 18,135,291.48-27,213,566.04-13,012,200.24

Finding the Fourth Proportional to 18,135,291.48, 27,213,566.04 and 13,012,200.24

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Solution

The fourth proportional to 18,135,291.48, 27,213,566.04 and 13,012,200.24 is: 19,525,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,291.48 : 27,213,566.04 = 13,012,200.24 : x
  2. Step 2: Convert to fraction form
    18,135,291.48/27,213,566.04 = 13,012,200.24/x
  3. Step 3: Cross multiply
    18,135,291.48x = 27,213,566.04 × 13,012,200.24
  4. Step 4: Simplify right side
    18,135,291.48x = 354,108,370,556,943.88
  5. Step 5: Solve for x
    x = 354,108,370,556,943.88/18,135,291.48
  6. Step 6: Final answer
    x = 19,525,926.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.