Finding the Fourth Proportional to 21,563,393.67, 29,757,295.62 and 11,773,791.18
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Solution
The fourth proportional to 21,563,393.67, 29,757,295.62 and 11,773,791.18 is: 16,247,729.37
Step by Step Solution
- Step 1: Write the proportion equation
21,563,393.67 : 29,757,295.62 = 11,773,791.18 : x - Step 2: Convert to fraction form
21,563,393.67/29,757,295.62 = 11,773,791.18/x - Step 3: Cross multiply
21,563,393.67x = 29,757,295.62 × 11,773,791.18 - Step 4: Simplify right side
21,563,393.67x = 350,356,184,711,408.62 - Step 5: Solve for x
x = 350,356,184,711,408.62/21,563,393.67 - Step 6: Final answer
x = 16,247,729.37
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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.