Home / 19,933,819.80-29,933,907.30-10,964,808.60

Finding the Fourth Proportional to 19,933,819.80, 29,933,907.30 and 10,964,808.60

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Solution

The fourth proportional to 19,933,819.80, 29,933,907.30 and 10,964,808.60 is: 16,465,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,819.80 : 29,933,907.30 = 10,964,808.60 : x
  2. Step 2: Convert to fraction form
    19,933,819.80/29,933,907.30 = 10,964,808.60/x
  3. Step 3: Cross multiply
    19,933,819.80x = 29,933,907.30 × 10,964,808.60
  4. Step 4: Simplify right side
    19,933,819.80x = 328,219,564,194,642.75
  5. Step 5: Solve for x
    x = 328,219,564,194,642.75/19,933,819.80
  6. Step 6: Final answer
    x = 16,465,462.59

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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.