Home / 5,715,654.78-8,607,697.16-5,205,471.42

Finding the Fourth Proportional to 5,715,654.78, 8,607,697.16 and 5,205,471.42

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Solution

The fourth proportional to 5,715,654.78, 8,607,697.16 and 5,205,471.42 is: 7,839,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,654.78 : 8,607,697.16 = 5,205,471.42 : x
  2. Step 2: Convert to fraction form
    5,715,654.78/8,607,697.16 = 5,205,471.42/x
  3. Step 3: Cross multiply
    5,715,654.78x = 8,607,697.16 × 5,205,471.42
  4. Step 4: Simplify right side
    5,715,654.78x = 44,807,121,571,408.84
  5. Step 5: Solve for x
    x = 44,807,121,571,408.84/5,715,654.78
  6. Step 6: Final answer
    x = 7,839,368.07

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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.