Home / 7,020,406.12-9,687,974.61-3,922,954.93

Finding the Fourth Proportional to 7,020,406.12, 9,687,974.61 and 3,922,954.93

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Solution

The fourth proportional to 7,020,406.12, 9,687,974.61 and 3,922,954.93 is: 5,413,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,406.12 : 9,687,974.61 = 3,922,954.93 : x
  2. Step 2: Convert to fraction form
    7,020,406.12/9,687,974.61 = 3,922,954.93/x
  3. Step 3: Cross multiply
    7,020,406.12x = 9,687,974.61 × 3,922,954.93
  4. Step 4: Simplify right side
    7,020,406.12x = 38,005,487,758,014.33
  5. Step 5: Solve for x
    x = 38,005,487,758,014.33/7,020,406.12
  6. Step 6: Final answer
    x = 5,413,573.96

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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.