Home / 9,795,780.36-13,517,832.12-5,385,473.88

Finding the Fourth Proportional to 9,795,780.36, 13,517,832.12 and 5,385,473.88

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Solution

The fourth proportional to 9,795,780.36, 13,517,832.12 and 5,385,473.88 is: 7,431,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795,780.36 : 13,517,832.12 = 5,385,473.88 : x
  2. Step 2: Convert to fraction form
    9,795,780.36/13,517,832.12 = 5,385,473.88/x
  3. Step 3: Cross multiply
    9,795,780.36x = 13,517,832.12 × 5,385,473.88
  4. Step 4: Simplify right side
    9,795,780.36x = 72,799,931,801,635.44
  5. Step 5: Solve for x
    x = 72,799,931,801,635.44/9,795,780.36
  6. Step 6: Final answer
    x = 7,431,764.41

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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.