Home / 12,713,431.56-17,544,446.73-6,912,213.18

Finding the Fourth Proportional to 12,713,431.56, 17,544,446.73 and 6,912,213.18

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Solution

The fourth proportional to 12,713,431.56, 17,544,446.73 and 6,912,213.18 is: 9,538,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,431.56 : 17,544,446.73 = 6,912,213.18 : x
  2. Step 2: Convert to fraction form
    12,713,431.56/17,544,446.73 = 6,912,213.18/x
  3. Step 3: Cross multiply
    12,713,431.56x = 17,544,446.73 × 6,912,213.18
  4. Step 4: Simplify right side
    12,713,431.56x = 121,270,955,922,913.91
  5. Step 5: Solve for x
    x = 121,270,955,922,913.91/12,713,431.56
  6. Step 6: Final answer
    x = 9,538,805.90

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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.