Home / 7,259,969.25-10,019,343.29-4,162,780.79

Finding the Fourth Proportional to 7,259,969.25, 10,019,343.29 and 4,162,780.79

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Solution

The fourth proportional to 7,259,969.25, 10,019,343.29 and 4,162,780.79 is: 5,744,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259,969.25 : 10,019,343.29 = 4,162,780.79 : x
  2. Step 2: Convert to fraction form
    7,259,969.25/10,019,343.29 = 4,162,780.79/x
  3. Step 3: Cross multiply
    7,259,969.25x = 10,019,343.29 × 4,162,780.79
  4. Step 4: Simplify right side
    7,259,969.25x = 41,708,329,705,116.78
  5. Step 5: Solve for x
    x = 41,708,329,705,116.78/7,259,969.25
  6. Step 6: Final answer
    x = 5,744,973.33

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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.