Home / 11,537,738.90-15,926,982.22-7,188,973.80

Finding the Fourth Proportional to 11,537,738.90, 15,926,982.22 and 7,188,973.80

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Solution

The fourth proportional to 11,537,738.90, 15,926,982.22 and 7,188,973.80 is: 9,923,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537,738.90 : 15,926,982.22 = 7,188,973.80 : x
  2. Step 2: Convert to fraction form
    11,537,738.90/15,926,982.22 = 7,188,973.80/x
  3. Step 3: Cross multiply
    11,537,738.90x = 15,926,982.22 × 7,188,973.80
  4. Step 4: Simplify right side
    11,537,738.90x = 114,498,657,892,645.84
  5. Step 5: Solve for x
    x = 114,498,657,892,645.84/11,537,738.90
  6. Step 6: Final answer
    x = 9,923,838.54

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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.