Home / 6,947,303.36-10,420,979.61-4,919,413.01

Finding the Fourth Proportional to 6,947,303.36, 10,420,979.61 and 4,919,413.01

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Solution

The fourth proportional to 6,947,303.36, 10,420,979.61 and 4,919,413.01 is: 7,379,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947,303.36 : 10,420,979.61 = 4,919,413.01 : x
  2. Step 2: Convert to fraction form
    6,947,303.36/10,420,979.61 = 4,919,413.01/x
  3. Step 3: Cross multiply
    6,947,303.36x = 10,420,979.61 × 4,919,413.01
  4. Step 4: Simplify right side
    6,947,303.36x = 51,265,102,670,378.72
  5. Step 5: Solve for x
    x = 51,265,102,670,378.72/6,947,303.36
  6. Step 6: Final answer
    x = 7,379,136.91

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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.