Finding the Fourth Proportional to 10,677,352.80, 14,734,663.93 and 5,782,461.38
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Solution
The fourth proportional to 10,677,352.80, 14,734,663.93 and 5,782,461.38 is: 7,979,751.79
Step by Step Solution
- Step 1: Write the proportion equation
10,677,352.80 : 14,734,663.93 = 5,782,461.38 : x - Step 2: Convert to fraction form
10,677,352.80/14,734,663.93 = 5,782,461.38/x - Step 3: Cross multiply
10,677,352.80x = 14,734,663.93 × 5,782,461.38 - Step 4: Simplify right side
10,677,352.80x = 85,202,625,122,504.02 - Step 5: Solve for x
x = 85,202,625,122,504.02/10,677,352.80 - Step 6: Final answer
x = 7,979,751.79
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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.