Home / 18,213,842.40-27,331,261.20-6,862,437.60

Finding the Fourth Proportional to 18,213,842.40, 27,331,261.20 and 6,862,437.60

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Solution

The fourth proportional to 18,213,842.40, 27,331,261.20 and 6,862,437.60 is: 10,297,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,842.40 : 27,331,261.20 = 6,862,437.60 : x
  2. Step 2: Convert to fraction form
    18,213,842.40/27,331,261.20 = 6,862,437.60/x
  3. Step 3: Cross multiply
    18,213,842.40x = 27,331,261.20 × 6,862,437.60
  4. Step 4: Simplify right side
    18,213,842.40x = 187,559,074,514,301.09
  5. Step 5: Solve for x
    x = 187,559,074,514,301.09/18,213,842.40
  6. Step 6: Final answer
    x = 10,297,611.59

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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.