Home / 11,518,292.63-17,280,280.67-3,431,236.83

Finding the Fourth Proportional to 11,518,292.63, 17,280,280.67 and 3,431,236.83

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Solution

The fourth proportional to 11,518,292.63, 17,280,280.67 and 3,431,236.83 is: 5,147,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518,292.63 : 17,280,280.67 = 3,431,236.83 : x
  2. Step 2: Convert to fraction form
    11,518,292.63/17,280,280.67 = 3,431,236.83/x
  3. Step 3: Cross multiply
    11,518,292.63x = 17,280,280.67 × 3,431,236.83
  4. Step 4: Simplify right side
    11,518,292.63x = 59,292,735,450,484.89
  5. Step 5: Solve for x
    x = 59,292,735,450,484.89/11,518,292.63
  6. Step 6: Final answer
    x = 5,147,701.78

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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.