Home / 28,479,087.51-39,300,218.21-15,919,808.07

Finding the Fourth Proportional to 28,479,087.51, 39,300,218.21 and 15,919,808.07

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Solution

The fourth proportional to 28,479,087.51, 39,300,218.21 and 15,919,808.07 is: 21,968,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,087.51 : 39,300,218.21 = 15,919,808.07 : x
  2. Step 2: Convert to fraction form
    28,479,087.51/39,300,218.21 = 15,919,808.07/x
  3. Step 3: Cross multiply
    28,479,087.51x = 39,300,218.21 × 15,919,808.07
  4. Step 4: Simplify right side
    28,479,087.51x = 625,651,930,932,719.88
  5. Step 5: Solve for x
    x = 625,651,930,932,719.88/28,479,087.51
  6. Step 6: Final answer
    x = 21,968,819.43

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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.