Home / 12,771,007.65-19,156,511.48-12,015,180.45

Finding the Fourth Proportional to 12,771,007.65, 19,156,511.48 and 12,015,180.45

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Solution

The fourth proportional to 12,771,007.65, 19,156,511.48 and 12,015,180.45 is: 18,022,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,007.65 : 19,156,511.48 = 12,015,180.45 : x
  2. Step 2: Convert to fraction form
    12,771,007.65/19,156,511.48 = 12,015,180.45/x
  3. Step 3: Cross multiply
    12,771,007.65x = 19,156,511.48 × 12,015,180.45
  4. Step 4: Simplify right side
    12,771,007.65x = 230,168,942,164,620.66
  5. Step 5: Solve for x
    x = 230,168,942,164,620.66/12,771,007.65
  6. Step 6: Final answer
    x = 18,022,770.68

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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.