Home / 6,640,223.66-9,163,266.70-3,699,888.80

Finding the Fourth Proportional to 6,640,223.66, 9,163,266.70 and 3,699,888.80

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Solution

The fourth proportional to 6,640,223.66, 9,163,266.70 and 3,699,888.80 is: 5,105,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,223.66 : 9,163,266.70 = 3,699,888.80 : x
  2. Step 2: Convert to fraction form
    6,640,223.66/9,163,266.70 = 3,699,888.80/x
  3. Step 3: Cross multiply
    6,640,223.66x = 9,163,266.70 × 3,699,888.80
  4. Step 4: Simplify right side
    6,640,223.66x = 33,903,067,834,742.96
  5. Step 5: Solve for x
    x = 33,903,067,834,742.96/6,640,223.66
  6. Step 6: Final answer
    x = 5,105,711.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.