Home / 14,234,633.12-19,645,198.80-8,123,975.84

Finding the Fourth Proportional to 14,234,633.12, 19,645,198.80 and 8,123,975.84

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Solution

The fourth proportional to 14,234,633.12, 19,645,198.80 and 8,123,975.84 is: 11,211,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234,633.12 : 19,645,198.80 = 8,123,975.84 : x
  2. Step 2: Convert to fraction form
    14,234,633.12/19,645,198.80 = 8,123,975.84/x
  3. Step 3: Cross multiply
    14,234,633.12x = 19,645,198.80 × 8,123,975.84
  4. Step 4: Simplify right side
    14,234,633.12x = 159,597,120,423,197
  5. Step 5: Solve for x
    x = 159,597,120,423,197/14,234,633.12
  6. Step 6: Final answer
    x = 11,211,888.57

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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.