Home / 7,870,505.92-11,779,092.80-4,839,791.36

Finding the Fourth Proportional to 7,870,505.92, 11,779,092.80 and 4,839,791.36

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Solution

The fourth proportional to 7,870,505.92, 11,779,092.80 and 4,839,791.36 is: 7,243,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,505.92 : 11,779,092.80 = 4,839,791.36 : x
  2. Step 2: Convert to fraction form
    7,870,505.92/11,779,092.80 = 4,839,791.36/x
  3. Step 3: Cross multiply
    7,870,505.92x = 11,779,092.80 × 4,839,791.36
  4. Step 4: Simplify right side
    7,870,505.92x = 57,008,351,562,078.22
  5. Step 5: Solve for x
    x = 57,008,351,562,078.22/7,870,505.92
  6. Step 6: Final answer
    x = 7,243,289.33

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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.