Finding the Fourth Proportional to 10,119,865.14, 15,165,625.68 and 5,320,362.42
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Solution
The fourth proportional to 10,119,865.14, 15,165,625.68 and 5,320,362.42 is: 7,973,092.90
Step by Step Solution
- Step 1: Write the proportion equation
10,119,865.14 : 15,165,625.68 = 5,320,362.42 : x - Step 2: Convert to fraction form
10,119,865.14/15,165,625.68 = 5,320,362.42/x - Step 3: Cross multiply
10,119,865.14x = 15,165,625.68 × 5,320,362.42 - Step 4: Simplify right side
10,119,865.14x = 80,686,624,943,658.94 - Step 5: Solve for x
x = 80,686,624,943,658.94/10,119,865.14 - Step 6: Final answer
x = 7,973,092.90
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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.