Home / 7,020,371.44-9,687,926.54-3,922,920.38

Finding the Fourth Proportional to 7,020,371.44, 9,687,926.54 and 3,922,920.38

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Solution

The fourth proportional to 7,020,371.44, 9,687,926.54 and 3,922,920.38 is: 5,413,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,371.44 : 9,687,926.54 = 3,922,920.38 : x
  2. Step 2: Convert to fraction form
    7,020,371.44/9,687,926.54 = 3,922,920.38/x
  3. Step 3: Cross multiply
    7,020,371.44x = 9,687,926.54 × 3,922,920.38
  4. Step 4: Simplify right side
    7,020,371.44x = 38,004,964,463,708.88
  5. Step 5: Solve for x
    x = 38,004,964,463,708.88/7,020,371.44
  6. Step 6: Final answer
    x = 5,413,526.16

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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.