Home / 7,438,750.32-11,162,430.38-3,120,413.81

Finding the Fourth Proportional to 7,438,750.32, 11,162,430.38 and 3,120,413.81

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Solution

The fourth proportional to 7,438,750.32, 11,162,430.38 and 3,120,413.81 is: 4,682,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,750.32 : 11,162,430.38 = 3,120,413.81 : x
  2. Step 2: Convert to fraction form
    7,438,750.32/11,162,430.38 = 3,120,413.81/x
  3. Step 3: Cross multiply
    7,438,750.32x = 11,162,430.38 × 3,120,413.81
  4. Step 4: Simplify right side
    7,438,750.32x = 34,831,401,839,501.33
  5. Step 5: Solve for x
    x = 34,831,401,839,501.33/7,438,750.32
  6. Step 6: Final answer
    x = 4,682,426.53

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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.