Home / 21,488,682-32,212,760.45-10,695,779.63

Finding the Fourth Proportional to 21,488,682, 32,212,760.45 and 10,695,779.63

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Solution

The fourth proportional to 21,488,682, 32,212,760.45 and 10,695,779.63 is: 16,033,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488,682 : 32,212,760.45 = 10,695,779.63 : x
  2. Step 2: Convert to fraction form
    21,488,682/32,212,760.45 = 10,695,779.63/x
  3. Step 3: Cross multiply
    21,488,682x = 32,212,760.45 × 10,695,779.63
  4. Step 4: Simplify right side
    21,488,682x = 344,540,586,832,636.94
  5. Step 5: Solve for x
    x = 344,540,586,832,636.94/21,488,682
  6. Step 6: Final answer
    x = 16,033,583.95

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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.