Finding the Fourth Proportional to 21,048,237.25, 31,575,348.72 and 6,476,364.99
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Solution
The fourth proportional to 21,048,237.25, 31,575,348.72 and 6,476,364.99 is: 9,715,468.36
Step by Step Solution
- Step 1: Write the proportion equation
21,048,237.25 : 31,575,348.72 = 6,476,364.99 : x - Step 2: Convert to fraction form
21,048,237.25/31,575,348.72 = 6,476,364.99/x - Step 3: Cross multiply
21,048,237.25x = 31,575,348.72 × 6,476,364.99 - Step 4: Simplify right side
21,048,237.25x = 204,493,482,997,249.31 - Step 5: Solve for x
x = 204,493,482,997,249.31/21,048,237.25 - Step 6: Final answer
x = 9,715,468.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.