Finding the Fourth Proportional to 11,045,538.24, 15,242,352.48 and 6,151,012.80
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Solution
The fourth proportional to 11,045,538.24, 15,242,352.48 and 6,151,012.80 is: 8,488,124.63
Step by Step Solution
- Step 1: Write the proportion equation
11,045,538.24 : 15,242,352.48 = 6,151,012.80 : x - Step 2: Convert to fraction form
11,045,538.24/15,242,352.48 = 6,151,012.80/x - Step 3: Cross multiply
11,045,538.24x = 15,242,352.48 × 6,151,012.80 - Step 4: Simplify right side
11,045,538.24x = 93,755,905,206,591.75 - Step 5: Solve for x
x = 93,755,905,206,591.75/11,045,538.24 - Step 6: Final answer
x = 8,488,124.63
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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.