Home / 40,293,766.39-55,603,775.41-21,958,658.23

Finding the Fourth Proportional to 40,293,766.39, 55,603,775.41 and 21,958,658.23

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Solution

The fourth proportional to 40,293,766.39, 55,603,775.41 and 21,958,658.23 is: 30,302,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,293,766.39 : 55,603,775.41 = 21,958,658.23 : x
  2. Step 2: Convert to fraction form
    40,293,766.39/55,603,775.41 = 21,958,658.23/x
  3. Step 3: Cross multiply
    40,293,766.39x = 55,603,775.41 × 21,958,658.23
  4. Step 4: Simplify right side
    40,293,766.39x = 1,220,984,300,525,868
  5. Step 5: Solve for x
    x = 1,220,984,300,525,868/40,293,766.39
  6. Step 6: Final answer
    x = 30,302,064.31

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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.