Home / 7,880,468.10-11,821,056.24-2,415,162.54

Finding the Fourth Proportional to 7,880,468.10, 11,821,056.24 and 2,415,162.54

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Solution

The fourth proportional to 7,880,468.10, 11,821,056.24 and 2,415,162.54 is: 3,622,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,468.10 : 11,821,056.24 = 2,415,162.54 : x
  2. Step 2: Convert to fraction form
    7,880,468.10/11,821,056.24 = 2,415,162.54/x
  3. Step 3: Cross multiply
    7,880,468.10x = 11,821,056.24 × 2,415,162.54
  4. Step 4: Simplify right side
    7,880,468.10x = 28,549,772,214,081.25
  5. Step 5: Solve for x
    x = 28,549,772,214,081.25/7,880,468.10
  6. Step 6: Final answer
    x = 3,622,852.33

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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.