Home / 28,865,601.64-39,834,413.04-15,812,842.06

Finding the Fourth Proportional to 28,865,601.64, 39,834,413.04 and 15,812,842.06

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Solution

The fourth proportional to 28,865,601.64, 39,834,413.04 and 15,812,842.06 is: 21,821,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,601.64 : 39,834,413.04 = 15,812,842.06 : x
  2. Step 2: Convert to fraction form
    28,865,601.64/39,834,413.04 = 15,812,842.06/x
  3. Step 3: Cross multiply
    28,865,601.64x = 39,834,413.04 × 15,812,842.06
  4. Step 4: Simplify right side
    28,865,601.64x = 629,895,281,954,324.50
  5. Step 5: Solve for x
    x = 629,895,281,954,324.50/28,865,601.64
  6. Step 6: Final answer
    x = 21,821,657.83

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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.