Finding the Fourth Proportional to 7,644,791.14, 10,549,813.35 and 4,207,032.21
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Solution
The fourth proportional to 7,644,791.14, 10,549,813.35 and 4,207,032.21 is: 5,805,705.32
Step by Step Solution
- Step 1: Write the proportion equation
7,644,791.14 : 10,549,813.35 = 4,207,032.21 : x - Step 2: Convert to fraction form
7,644,791.14/10,549,813.35 = 4,207,032.21/x - Step 3: Cross multiply
7,644,791.14x = 10,549,813.35 × 4,207,032.21 - Step 4: Simplify right side
7,644,791.14x = 44,383,404,572,938 - Step 5: Solve for x
x = 44,383,404,572,938/7,644,791.14 - Step 6: Final answer
x = 5,805,705.32
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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.