Home / 7,938,286.86-11,911,366.62-3,145,870.02

Finding the Fourth Proportional to 7,938,286.86, 11,911,366.62 and 3,145,870.02

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Solution

The fourth proportional to 7,938,286.86, 11,911,366.62 and 3,145,870.02 is: 4,720,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,286.86 : 11,911,366.62 = 3,145,870.02 : x
  2. Step 2: Convert to fraction form
    7,938,286.86/11,911,366.62 = 3,145,870.02/x
  3. Step 3: Cross multiply
    7,938,286.86x = 11,911,366.62 × 3,145,870.02
  4. Step 4: Simplify right side
    7,938,286.86x = 37,471,611,147,086.73
  5. Step 5: Solve for x
    x = 37,471,611,147,086.73/7,938,286.86
  6. Step 6: Final answer
    x = 4,720,364.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.