Finding the Fourth Proportional to 7,691,220.51, 11,535,949.49 and 2,011,992.99
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Solution
The fourth proportional to 7,691,220.51, 11,535,949.49 and 2,011,992.99 is: 3,017,758.95
Step by Step Solution
- Step 1: Write the proportion equation
7,691,220.51 : 11,535,949.49 = 2,011,992.99 : x - Step 2: Convert to fraction form
7,691,220.51/11,535,949.49 = 2,011,992.99/x - Step 3: Cross multiply
7,691,220.51x = 11,535,949.49 × 2,011,992.99 - Step 4: Simplify right side
7,691,220.51x = 23,210,249,496,814.11 - Step 5: Solve for x
x = 23,210,249,496,814.11/7,691,220.51 - Step 6: Final answer
x = 3,017,758.95
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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.