Home / 5,715,676.56-8,607,729.96-5,205,493.20

Finding the Fourth Proportional to 5,715,676.56, 8,607,729.96 and 5,205,493.20

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Solution

The fourth proportional to 5,715,676.56, 8,607,729.96 and 5,205,493.20 is: 7,839,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,676.56 : 8,607,729.96 = 5,205,493.20 : x
  2. Step 2: Convert to fraction form
    5,715,676.56/8,607,729.96 = 5,205,493.20/x
  3. Step 3: Cross multiply
    5,715,676.56x = 8,607,729.96 × 5,205,493.20
  4. Step 4: Simplify right side
    5,715,676.56x = 44,807,479,774,216.28
  5. Step 5: Solve for x
    x = 44,807,479,774,216.28/5,715,676.56
  6. Step 6: Final answer
    x = 7,839,400.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.