Finding the Fourth Proportional to 36,291,888.74, 50,082,655.42 and 19,771,961.88
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Solution
The fourth proportional to 36,291,888.74, 50,082,655.42 and 19,771,961.88 is: 27,285,225.11
Step by Step Solution
- Step 1: Write the proportion equation
36,291,888.74 : 50,082,655.42 = 19,771,961.88 : x - Step 2: Convert to fraction form
36,291,888.74/50,082,655.42 = 19,771,961.88/x - Step 3: Cross multiply
36,291,888.74x = 50,082,655.42 × 19,771,961.88 - Step 4: Simplify right side
36,291,888.74x = 990,232,353,813,415.38 - Step 5: Solve for x
x = 990,232,353,813,415.38/36,291,888.74 - Step 6: Final answer
x = 27,285,225.11
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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.