Home / 7,812,661.37-10,781,471.16-4,328,226.59

Finding the Fourth Proportional to 7,812,661.37, 10,781,471.16 and 4,328,226.59

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Solution

The fourth proportional to 7,812,661.37, 10,781,471.16 and 4,328,226.59 is: 5,972,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,661.37 : 10,781,471.16 = 4,328,226.59 : x
  2. Step 2: Convert to fraction form
    7,812,661.37/10,781,471.16 = 4,328,226.59/x
  3. Step 3: Cross multiply
    7,812,661.37x = 10,781,471.16 × 4,328,226.59
  4. Step 4: Simplify right side
    7,812,661.37x = 46,664,650,100,122.79
  5. Step 5: Solve for x
    x = 46,664,650,100,122.79/7,812,661.37
  6. Step 6: Final answer
    x = 5,972,951.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.