Home / 12,861,467.33-17,748,365.66-7,279,594.05

Finding the Fourth Proportional to 12,861,467.33, 17,748,365.66 and 7,279,594.05

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Solution

The fourth proportional to 12,861,467.33, 17,748,365.66 and 7,279,594.05 is: 10,045,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,467.33 : 17,748,365.66 = 7,279,594.05 : x
  2. Step 2: Convert to fraction form
    12,861,467.33/17,748,365.66 = 7,279,594.05/x
  3. Step 3: Cross multiply
    12,861,467.33x = 17,748,365.66 × 7,279,594.05
  4. Step 4: Simplify right side
    12,861,467.33x = 129,200,896,930,620.53
  5. Step 5: Solve for x
    x = 129,200,896,930,620.53/12,861,467.33
  6. Step 6: Final answer
    x = 10,045,579.84

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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.