Finding the Fourth Proportional to 7,488,999.26, 10,334,813.64 and 4,051,242.98
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Solution
The fourth proportional to 7,488,999.26, 10,334,813.64 and 4,051,242.98 is: 5,590,712.42
Step by Step Solution
- Step 1: Write the proportion equation
7,488,999.26 : 10,334,813.64 = 4,051,242.98 : x - Step 2: Convert to fraction form
7,488,999.26/10,334,813.64 = 4,051,242.98/x - Step 3: Cross multiply
7,488,999.26x = 10,334,813.64 × 4,051,242.98 - Step 4: Simplify right side
7,488,999.26x = 41,868,841,208,658.25 - Step 5: Solve for x
x = 41,868,841,208,658.25/7,488,999.26 - Step 6: Final answer
x = 5,590,712.42
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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.