Home / 8,290,039.20-12,435,058.80-4,922,512.80

Finding the Fourth Proportional to 8,290,039.20, 12,435,058.80 and 4,922,512.80

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Solution

The fourth proportional to 8,290,039.20, 12,435,058.80 and 4,922,512.80 is: 7,383,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,039.20 : 12,435,058.80 = 4,922,512.80 : x
  2. Step 2: Convert to fraction form
    8,290,039.20/12,435,058.80 = 4,922,512.80/x
  3. Step 3: Cross multiply
    8,290,039.20x = 12,435,058.80 × 4,922,512.80
  4. Step 4: Simplify right side
    8,290,039.20x = 61,211,736,111,752.64
  5. Step 5: Solve for x
    x = 61,211,736,111,752.64/8,290,039.20
  6. Step 6: Final answer
    x = 7,383,769.20

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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.