Home / 12,672,516.80-19,004,109.60-4,153,131.20

Finding the Fourth Proportional to 12,672,516.80, 19,004,109.60 and 4,153,131.20

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Solution

The fourth proportional to 12,672,516.80, 19,004,109.60 and 4,153,131.20 is: 6,228,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,516.80 : 19,004,109.60 = 4,153,131.20 : x
  2. Step 2: Convert to fraction form
    12,672,516.80/19,004,109.60 = 4,153,131.20/x
  3. Step 3: Cross multiply
    12,672,516.80x = 19,004,109.60 × 4,153,131.20
  4. Step 4: Simplify right side
    12,672,516.80x = 78,926,560,507,979.53
  5. Step 5: Solve for x
    x = 78,926,560,507,979.53/12,672,516.80
  6. Step 6: Final answer
    x = 6,228,167.75

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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.