Home / 28,775,706.58-39,709,293.42-15,723,413.56

Finding the Fourth Proportional to 28,775,706.58, 39,709,293.42 and 15,723,413.56

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Solution

The fourth proportional to 28,775,706.58, 39,709,293.42 and 15,723,413.56 is: 21,697,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,706.58 : 39,709,293.42 = 15,723,413.56 : x
  2. Step 2: Convert to fraction form
    28,775,706.58/39,709,293.42 = 15,723,413.56/x
  3. Step 3: Cross multiply
    28,775,706.58x = 39,709,293.42 × 15,723,413.56
  4. Step 4: Simplify right side
    28,775,706.58x = 624,365,642,618,046.88
  5. Step 5: Solve for x
    x = 624,365,642,618,046.88/28,775,706.58
  6. Step 6: Final answer
    x = 21,697,665.04

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1.5x scale

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.