Home / 7,887,739.80-11,831,609.70-3,636,211.80

Finding the Fourth Proportional to 7,887,739.80, 11,831,609.70 and 3,636,211.80

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Solution

The fourth proportional to 7,887,739.80, 11,831,609.70 and 3,636,211.80 is: 5,454,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,739.80 : 11,831,609.70 = 3,636,211.80 : x
  2. Step 2: Convert to fraction form
    7,887,739.80/11,831,609.70 = 3,636,211.80/x
  3. Step 3: Cross multiply
    7,887,739.80x = 11,831,609.70 × 3,636,211.80
  4. Step 4: Simplify right side
    7,887,739.80x = 43,022,238,804,134.45
  5. Step 5: Solve for x
    x = 43,022,238,804,134.45/7,887,739.80
  6. Step 6: Final answer
    x = 5,454,317.70

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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.