Home / 7,449,680.64-11,178,720-7,392,760.32

Finding the Fourth Proportional to 7,449,680.64, 11,178,720 and 7,392,760.32

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Solution

The fourth proportional to 7,449,680.64, 11,178,720 and 7,392,760.32 is: 11,093,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449,680.64 : 11,178,720 = 7,392,760.32 : x
  2. Step 2: Convert to fraction form
    7,449,680.64/11,178,720 = 7,392,760.32/x
  3. Step 3: Cross multiply
    7,449,680.64x = 11,178,720 × 7,392,760.32
  4. Step 4: Simplify right side
    7,449,680.64x = 82,641,597,644,390.41
  5. Step 5: Solve for x
    x = 82,641,597,644,390.41/7,449,680.64
  6. Step 6: Final answer
    x = 11,093,307.44

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1.5x scale

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.