Finding the Fourth Proportional to 8,032,587.84, 11,082,233.79 and 5,133,650.99
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Solution
The fourth proportional to 8,032,587.84, 11,082,233.79 and 5,133,650.99 is: 7,082,688.86
Step by Step Solution
- Step 1: Write the proportion equation
8,032,587.84 : 11,082,233.79 = 5,133,650.99 : x - Step 2: Convert to fraction form
8,032,587.84/11,082,233.79 = 5,133,650.99/x - Step 3: Cross multiply
8,032,587.84x = 11,082,233.79 × 5,133,650.99 - Step 4: Simplify right side
8,032,587.84x = 56,892,320,412,033.78 - Step 5: Solve for x
x = 56,892,320,412,033.78/8,032,587.84 - Step 6: Final answer
x = 7,082,688.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.