Home / 13,001,361.90-17,912,990.30-8,583,218.84

Finding the Fourth Proportional to 13,001,361.90, 17,912,990.30 and 8,583,218.84

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Solution

The fourth proportional to 13,001,361.90, 17,912,990.30 and 8,583,218.84 is: 11,825,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,361.90 : 17,912,990.30 = 8,583,218.84 : x
  2. Step 2: Convert to fraction form
    13,001,361.90/17,912,990.30 = 8,583,218.84/x
  3. Step 3: Cross multiply
    13,001,361.90x = 17,912,990.30 × 8,583,218.84
  4. Step 4: Simplify right side
    13,001,361.90x = 153,751,115,823,697.25
  5. Step 5: Solve for x
    x = 153,751,115,823,697.25/13,001,361.90
  6. Step 6: Final answer
    x = 11,825,770.02

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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.