Home / 8,230,413.47-12,345,621.57-3,435,487.07

Finding the Fourth Proportional to 8,230,413.47, 12,345,621.57 and 3,435,487.07

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Solution

The fourth proportional to 8,230,413.47, 12,345,621.57 and 3,435,487.07 is: 5,153,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,413.47 : 12,345,621.57 = 3,435,487.07 : x
  2. Step 2: Convert to fraction form
    8,230,413.47/12,345,621.57 = 3,435,487.07/x
  3. Step 3: Cross multiply
    8,230,413.47x = 12,345,621.57 × 3,435,487.07
  4. Step 4: Simplify right side
    8,230,413.47x = 42,413,223,213,119.99
  5. Step 5: Solve for x
    x = 42,413,223,213,119.99/8,230,413.47
  6. Step 6: Final answer
    x = 5,153,231.17

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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.