Home / 16,111,918.72-22,236,571.20-9,673,805.44

Finding the Fourth Proportional to 16,111,918.72, 22,236,571.20 and 9,673,805.44

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Solution

The fourth proportional to 16,111,918.72, 22,236,571.20 and 9,673,805.44 is: 13,351,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,111,918.72 : 22,236,571.20 = 9,673,805.44 : x
  2. Step 2: Convert to fraction form
    16,111,918.72/22,236,571.20 = 9,673,805.44/x
  3. Step 3: Cross multiply
    16,111,918.72x = 22,236,571.20 × 9,673,805.44
  4. Step 4: Simplify right side
    16,111,918.72x = 215,112,263,441,507.31
  5. Step 5: Solve for x
    x = 215,112,263,441,507.31/16,111,918.72
  6. Step 6: Final answer
    x = 13,351,126.40

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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.