Finding the Fourth Proportional to 21,701,061.03, 29,972,319.12 and 14,291,843.97
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Solution
The fourth proportional to 21,701,061.03, 29,972,319.12 and 14,291,843.97 is: 19,739,113.57
Step by Step Solution
- Step 1: Write the proportion equation
21,701,061.03 : 29,972,319.12 = 14,291,843.97 : x - Step 2: Convert to fraction form
21,701,061.03/29,972,319.12 = 14,291,843.97/x - Step 3: Cross multiply
21,701,061.03x = 29,972,319.12 × 14,291,843.97 - Step 4: Simplify right side
21,701,061.03x = 428,359,708,282,087.75 - Step 5: Solve for x
x = 428,359,708,282,087.75/21,701,061.03 - Step 6: Final answer
x = 19,739,113.57
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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.