Home / 12,969,174.60-17,897,593.68-7,088,976.63

Finding the Fourth Proportional to 12,969,174.60, 17,897,593.68 and 7,088,976.63

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Solution

The fourth proportional to 12,969,174.60, 17,897,593.68 and 7,088,976.63 is: 9,782,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,174.60 : 17,897,593.68 = 7,088,976.63 : x
  2. Step 2: Convert to fraction form
    12,969,174.60/17,897,593.68 = 7,088,976.63/x
  3. Step 3: Cross multiply
    12,969,174.60x = 17,897,593.68 × 7,088,976.63
  4. Step 4: Simplify right side
    12,969,174.60x = 126,875,623,330,755.69
  5. Step 5: Solve for x
    x = 126,875,623,330,755.69/12,969,174.60
  6. Step 6: Final answer
    x = 9,782,860.30

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1.5x scale

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.