Finding the Fourth Proportional to 21,352,586.35, 29,466,597.58 and 11,563,047.42
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Solution
The fourth proportional to 21,352,586.35, 29,466,597.58 and 11,563,047.42 is: 15,957,020.83
Step by Step Solution
- Step 1: Write the proportion equation
21,352,586.35 : 29,466,597.58 = 11,563,047.42 : x - Step 2: Convert to fraction form
21,352,586.35/29,466,597.58 = 11,563,047.42/x - Step 3: Cross multiply
21,352,586.35x = 29,466,597.58 × 11,563,047.42 - Step 4: Simplify right side
21,352,586.35x = 340,723,665,184,933.62 - Step 5: Solve for x
x = 340,723,665,184,933.62/21,352,586.35 - Step 6: Final answer
x = 15,957,020.83
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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.