Home / 21,682,620-32,480,567.28-13,041,949.56

Finding the Fourth Proportional to 21,682,620, 32,480,567.28 and 13,041,949.56

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Solution

The fourth proportional to 21,682,620, 32,480,567.28 and 13,041,949.56 is: 19,536,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682,620 : 32,480,567.28 = 13,041,949.56 : x
  2. Step 2: Convert to fraction form
    21,682,620/32,480,567.28 = 13,041,949.56/x
  3. Step 3: Cross multiply
    21,682,620x = 32,480,567.28 × 13,041,949.56
  4. Step 4: Simplify right side
    21,682,620x = 423,609,920,145,946.44
  5. Step 5: Solve for x
    x = 423,609,920,145,946.44/21,682,620
  6. Step 6: Final answer
    x = 19,536,841.96

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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.