Home / 8,768,128.70-12,100,439.34-4,847,812.28

Finding the Fourth Proportional to 8,768,128.70, 12,100,439.34 and 4,847,812.28

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Solution

The fourth proportional to 8,768,128.70, 12,100,439.34 and 4,847,812.28 is: 6,690,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,128.70 : 12,100,439.34 = 4,847,812.28 : x
  2. Step 2: Convert to fraction form
    8,768,128.70/12,100,439.34 = 4,847,812.28/x
  3. Step 3: Cross multiply
    8,768,128.70x = 12,100,439.34 × 4,847,812.28
  4. Step 4: Simplify right side
    8,768,128.70x = 58,660,658,410,721.54
  5. Step 5: Solve for x
    x = 58,660,658,410,721.54/8,768,128.70
  6. Step 6: Final answer
    x = 6,690,214.12

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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.