Home / 12,219,586.69-18,331,740.37-4,645,963.57

Finding the Fourth Proportional to 12,219,586.69, 18,331,740.37 and 4,645,963.57

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Solution

The fourth proportional to 12,219,586.69, 18,331,740.37 and 4,645,963.57 is: 6,969,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,586.69 : 18,331,740.37 = 4,645,963.57 : x
  2. Step 2: Convert to fraction form
    12,219,586.69/18,331,740.37 = 4,645,963.57/x
  3. Step 3: Cross multiply
    12,219,586.69x = 18,331,740.37 × 4,645,963.57
  4. Step 4: Simplify right side
    12,219,586.69x = 85,168,597,933,718.33
  5. Step 5: Solve for x
    x = 85,168,597,933,718.33/12,219,586.69
  6. Step 6: Final answer
    x = 6,969,842.77

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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.