Home / 7,769,820.80-11,653,710.60-2,379,011.60

Finding the Fourth Proportional to 7,769,820.80, 11,653,710.60 and 2,379,011.60

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Solution

The fourth proportional to 7,769,820.80, 11,653,710.60 and 2,379,011.60 is: 3,568,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,820.80 : 11,653,710.60 = 2,379,011.60 : x
  2. Step 2: Convert to fraction form
    7,769,820.80/11,653,710.60 = 2,379,011.60/x
  3. Step 3: Cross multiply
    7,769,820.80x = 11,653,710.60 × 2,379,011.60
  4. Step 4: Simplify right side
    7,769,820.80x = 27,724,312,700,442.96
  5. Step 5: Solve for x
    x = 27,724,312,700,442.96/7,769,820.80
  6. Step 6: Final answer
    x = 3,568,204.91

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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.