Home / 12,725,891-17,561,581.96-6,924,572.80

Finding the Fourth Proportional to 12,725,891, 17,561,581.96 and 6,924,572.80

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Solution

The fourth proportional to 12,725,891, 17,561,581.96 and 6,924,572.80 is: 9,555,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,891 : 17,561,581.96 = 6,924,572.80 : x
  2. Step 2: Convert to fraction form
    12,725,891/17,561,581.96 = 6,924,572.80/x
  3. Step 3: Cross multiply
    12,725,891x = 17,561,581.96 × 6,924,572.80
  4. Step 4: Simplify right side
    12,725,891x = 121,606,452,765,186.69
  5. Step 5: Solve for x
    x = 121,606,452,765,186.69/12,725,891
  6. Step 6: Final answer
    x = 9,555,830.14

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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.