Home / 12,999,861.48-19,488,228.45-6,172,222.44

Finding the Fourth Proportional to 12,999,861.48, 19,488,228.45 and 6,172,222.44

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Solution

The fourth proportional to 12,999,861.48, 19,488,228.45 and 6,172,222.44 is: 9,252,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,861.48 : 19,488,228.45 = 6,172,222.44 : x
  2. Step 2: Convert to fraction form
    12,999,861.48/19,488,228.45 = 6,172,222.44/x
  3. Step 3: Cross multiply
    12,999,861.48x = 19,488,228.45 × 6,172,222.44
  4. Step 4: Simplify right side
    12,999,861.48x = 120,285,680,954,936.42
  5. Step 5: Solve for x
    x = 120,285,680,954,936.42/12,999,861.48
  6. Step 6: Final answer
    x = 9,252,843.28

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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.