Home / 8,768,129.87-12,100,440.96-4,847,813.45

Finding the Fourth Proportional to 8,768,129.87, 12,100,440.96 and 4,847,813.45

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Solution

The fourth proportional to 8,768,129.87, 12,100,440.96 and 4,847,813.45 is: 6,690,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,129.87 : 12,100,440.96 = 4,847,813.45 : x
  2. Step 2: Convert to fraction form
    8,768,129.87/12,100,440.96 = 4,847,813.45/x
  3. Step 3: Cross multiply
    8,768,129.87x = 12,100,440.96 × 4,847,813.45
  4. Step 4: Simplify right side
    8,768,129.87x = 58,660,680,448,890.71
  5. Step 5: Solve for x
    x = 58,660,680,448,890.71/8,768,129.87
  6. Step 6: Final answer
    x = 6,690,215.74

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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.