Home / 7,572,440.68-10,449,915.78-4,134,679.72

Finding the Fourth Proportional to 7,572,440.68, 10,449,915.78 and 4,134,679.72

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Solution

The fourth proportional to 7,572,440.68, 10,449,915.78 and 4,134,679.72 is: 5,705,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572,440.68 : 10,449,915.78 = 4,134,679.72 : x
  2. Step 2: Convert to fraction form
    7,572,440.68/10,449,915.78 = 4,134,679.72/x
  3. Step 3: Cross multiply
    7,572,440.68x = 10,449,915.78 × 4,134,679.72
  4. Step 4: Simplify right side
    7,572,440.68x = 43,207,054,851,273.98
  5. Step 5: Solve for x
    x = 43,207,054,851,273.98/7,572,440.68
  6. Step 6: Final answer
    x = 5,705,829.43

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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.