Home / 6,628,530.40-9,917,912.40-4,389,042.40

Finding the Fourth Proportional to 6,628,530.40, 9,917,912.40 and 4,389,042.40

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Solution

The fourth proportional to 6,628,530.40, 9,917,912.40 and 4,389,042.40 is: 6,567,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,530.40 : 9,917,912.40 = 4,389,042.40 : x
  2. Step 2: Convert to fraction form
    6,628,530.40/9,917,912.40 = 4,389,042.40/x
  3. Step 3: Cross multiply
    6,628,530.40x = 9,917,912.40 × 4,389,042.40
  4. Step 4: Simplify right side
    6,628,530.40x = 43,530,138,043,085.77
  5. Step 5: Solve for x
    x = 43,530,138,043,085.77/6,628,530.40
  6. Step 6: Final answer
    x = 6,567,087.34

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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.