Home / 7,892,895-10,892,195.16-4,271,223

Finding the Fourth Proportional to 7,892,895, 10,892,195.16 and 4,271,223

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Solution

The fourth proportional to 7,892,895, 10,892,195.16 and 4,271,223 is: 5,894,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,895 : 10,892,195.16 = 4,271,223 : x
  2. Step 2: Convert to fraction form
    7,892,895/10,892,195.16 = 4,271,223/x
  3. Step 3: Cross multiply
    7,892,895x = 10,892,195.16 × 4,271,223
  4. Step 4: Simplify right side
    7,892,895x = 46,522,994,487,880.68
  5. Step 5: Solve for x
    x = 46,522,994,487,880.68/7,892,895
  6. Step 6: Final answer
    x = 5,894,287.77

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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.