Home / 52,517,541.60-78,857,413.20-28,629,669.60

Finding the Fourth Proportional to 52,517,541.60, 78,857,413.20 and 28,629,669.60

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Solution

The fourth proportional to 52,517,541.60, 78,857,413.20 and 28,629,669.60 is: 42,988,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,517,541.60 : 78,857,413.20 = 28,629,669.60 : x
  2. Step 2: Convert to fraction form
    52,517,541.60/78,857,413.20 = 28,629,669.60/x
  3. Step 3: Cross multiply
    52,517,541.60x = 78,857,413.20 × 28,629,669.60
  4. Step 4: Simplify right side
    52,517,541.60x = 2,257,661,685,426,679
  5. Step 5: Solve for x
    x = 2,257,661,685,426,679/52,517,541.60
  6. Step 6: Final answer
    x = 42,988,716.09

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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.