Home / 12,883,160.24-17,778,982.20-7,082,186.80

Finding the Fourth Proportional to 12,883,160.24, 17,778,982.20 and 7,082,186.80

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Solution

The fourth proportional to 12,883,160.24, 17,778,982.20 and 7,082,186.80 is: 9,773,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883,160.24 : 17,778,982.20 = 7,082,186.80 : x
  2. Step 2: Convert to fraction form
    12,883,160.24/17,778,982.20 = 7,082,186.80/x
  3. Step 3: Cross multiply
    12,883,160.24x = 17,778,982.20 × 7,082,186.80
  4. Step 4: Simplify right side
    12,883,160.24x = 125,914,073,054,274.95
  5. Step 5: Solve for x
    x = 125,914,073,054,274.95/12,883,160.24
  6. Step 6: Final answer
    x = 9,773,539.31

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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.