Home / 13,860,284.75-20,788,838.54-3,626,132.12

Finding the Fourth Proportional to 13,860,284.75, 20,788,838.54 and 3,626,132.12

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Solution

The fourth proportional to 13,860,284.75, 20,788,838.54 and 3,626,132.12 is: 5,438,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,284.75 : 20,788,838.54 = 3,626,132.12 : x
  2. Step 2: Convert to fraction form
    13,860,284.75/20,788,838.54 = 3,626,132.12/x
  3. Step 3: Cross multiply
    13,860,284.75x = 20,788,838.54 × 3,626,132.12
  4. Step 4: Simplify right side
    13,860,284.75x = 75,383,075,167,387.91
  5. Step 5: Solve for x
    x = 75,383,075,167,387.91/13,860,284.75
  6. Step 6: Final answer
    x = 5,438,782.57

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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.