Finding the Fourth Proportional to 13,149,028.45, 19,723,542.68 and 13,149,028.45
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Solution
The fourth proportional to 13,149,028.45, 19,723,542.68 and 13,149,028.45 is: 19,723,542.68
Step by Step Solution
- Step 1: Write the proportion equation
13,149,028.45 : 19,723,542.68 = 13,149,028.45 : x - Step 2: Convert to fraction form
13,149,028.45/19,723,542.68 = 13,149,028.45/x - Step 3: Cross multiply
13,149,028.45x = 19,723,542.68 × 13,149,028.45 - Step 4: Simplify right side
13,149,028.45x = 259,345,423,834,109.22 - Step 5: Solve for x
x = 259,345,423,834,109.22/13,149,028.45 - Step 6: Final answer
x = 19,723,542.68
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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.