Home / 8,341,520.81-12,507,485.81-4,446,179.78

Finding the Fourth Proportional to 8,341,520.81, 12,507,485.81 and 4,446,179.78

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Solution

The fourth proportional to 8,341,520.81, 12,507,485.81 and 4,446,179.78 is: 6,666,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,520.81 : 12,507,485.81 = 4,446,179.78 : x
  2. Step 2: Convert to fraction form
    8,341,520.81/12,507,485.81 = 4,446,179.78/x
  3. Step 3: Cross multiply
    8,341,520.81x = 12,507,485.81 × 4,446,179.78
  4. Step 4: Simplify right side
    8,341,520.81x = 55,610,530,422,290.59
  5. Step 5: Solve for x
    x = 55,610,530,422,290.59/8,341,520.81
  6. Step 6: Final answer
    x = 6,666,713.63

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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.