Home / 7,892,915.12-10,892,222.64-4,271,243.12

Finding the Fourth Proportional to 7,892,915.12, 10,892,222.64 and 4,271,243.12

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Solution

The fourth proportional to 7,892,915.12, 10,892,222.64 and 4,271,243.12 is: 5,894,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,915.12 : 10,892,222.64 = 4,271,243.12 : x
  2. Step 2: Convert to fraction form
    7,892,915.12/10,892,222.64 = 4,271,243.12/x
  3. Step 3: Cross multiply
    7,892,915.12x = 10,892,222.64 × 4,271,243.12
  4. Step 4: Simplify right side
    7,892,915.12x = 46,523,331,012,608.24
  5. Step 5: Solve for x
    x = 46,523,331,012,608.24/7,892,915.12
  6. Step 6: Final answer
    x = 5,894,315.38

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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.