Finding the Fourth Proportional to 15,453,245.99, 21,324,412.04 and 8,577,186.77
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Solution
The fourth proportional to 15,453,245.99, 21,324,412.04 and 8,577,186.77 is: 11,835,925.27
Step by Step Solution
- Step 1: Write the proportion equation
15,453,245.99 : 21,324,412.04 = 8,577,186.77 : x - Step 2: Convert to fraction form
15,453,245.99/21,324,412.04 = 8,577,186.77/x - Step 3: Cross multiply
15,453,245.99x = 21,324,412.04 × 8,577,186.77 - Step 4: Simplify right side
15,453,245.99x = 182,903,464,678,008.72 - Step 5: Solve for x
x = 182,903,464,678,008.72/15,453,245.99 - Step 6: Final answer
x = 11,835,925.27
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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.