Home / 8,768,129.70-12,100,440.72-4,847,813.28

Finding the Fourth Proportional to 8,768,129.70, 12,100,440.72 and 4,847,813.28

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Solution

The fourth proportional to 8,768,129.70, 12,100,440.72 and 4,847,813.28 is: 6,690,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,129.70 : 12,100,440.72 = 4,847,813.28 : x
  2. Step 2: Convert to fraction form
    8,768,129.70/12,100,440.72 = 4,847,813.28/x
  3. Step 3: Cross multiply
    8,768,129.70x = 12,100,440.72 × 4,847,813.28
  4. Step 4: Simplify right side
    8,768,129.70x = 58,660,677,216,268.77
  5. Step 5: Solve for x
    x = 58,660,677,216,268.77/8,768,129.70
  6. Step 6: Final answer
    x = 6,690,215.50

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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.