Home / 15,512,741.80-23,269,112.70-7,859,991.40

Finding the Fourth Proportional to 15,512,741.80, 23,269,112.70 and 7,859,991.40

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Solution

The fourth proportional to 15,512,741.80, 23,269,112.70 and 7,859,991.40 is: 11,789,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512,741.80 : 23,269,112.70 = 7,859,991.40 : x
  2. Step 2: Convert to fraction form
    15,512,741.80/23,269,112.70 = 7,859,991.40/x
  3. Step 3: Cross multiply
    15,512,741.80x = 23,269,112.70 × 7,859,991.40
  4. Step 4: Simplify right side
    15,512,741.80x = 182,895,025,707,630.78
  5. Step 5: Solve for x
    x = 182,895,025,707,630.78/15,512,741.80
  6. Step 6: Final answer
    x = 11,789,987.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.