Home / 28,846,885.68-39,808,708.20-15,794,147.16

Finding the Fourth Proportional to 28,846,885.68, 39,808,708.20 and 15,794,147.16

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Solution

The fourth proportional to 28,846,885.68, 39,808,708.20 and 15,794,147.16 is: 21,795,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846,885.68 : 39,808,708.20 = 15,794,147.16 : x
  2. Step 2: Convert to fraction form
    28,846,885.68/39,808,708.20 = 15,794,147.16/x
  3. Step 3: Cross multiply
    28,846,885.68x = 39,808,708.20 × 15,794,147.16
  4. Step 4: Simplify right side
    28,846,885.68x = 628,744,595,560,298.75
  5. Step 5: Solve for x
    x = 628,744,595,560,298.75/28,846,885.68
  6. Step 6: Final answer
    x = 21,795,926.34

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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.