Home / 7,869,870.82-11,795,851.23-4,789,066.89

Finding the Fourth Proportional to 7,869,870.82, 11,795,851.23 and 4,789,066.89

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Solution

The fourth proportional to 7,869,870.82, 11,795,851.23 and 4,789,066.89 is: 7,178,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,870.82 : 11,795,851.23 = 4,789,066.89 : x
  2. Step 2: Convert to fraction form
    7,869,870.82/11,795,851.23 = 4,789,066.89/x
  3. Step 3: Cross multiply
    7,869,870.82x = 11,795,851.23 × 4,789,066.89
  4. Step 4: Simplify right side
    7,869,870.82x = 56,491,120,541,013.44
  5. Step 5: Solve for x
    x = 56,491,120,541,013.44/7,869,870.82
  6. Step 6: Final answer
    x = 7,178,150.93

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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.