Home / 7,412,588.55-10,222,185.79-5,780,400.37

Finding the Fourth Proportional to 7,412,588.55, 10,222,185.79 and 5,780,400.37

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Solution

The fourth proportional to 7,412,588.55, 10,222,185.79 and 5,780,400.37 is: 7,971,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412,588.55 : 10,222,185.79 = 5,780,400.37 : x
  2. Step 2: Convert to fraction form
    7,412,588.55/10,222,185.79 = 5,780,400.37/x
  3. Step 3: Cross multiply
    7,412,588.55x = 10,222,185.79 × 5,780,400.37
  4. Step 4: Simplify right side
    7,412,588.55x = 59,088,326,522,724.73
  5. Step 5: Solve for x
    x = 59,088,326,522,724.73/7,412,588.55
  6. Step 6: Final answer
    x = 7,971,348.49

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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.