Finding the Fourth Proportional to 19,970,077.53, 29,973,528.10 and 10,129,048.08
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Solution
The fourth proportional to 19,970,077.53, 29,973,528.10 and 10,129,048.08 is: 15,202,910.79
Step by Step Solution
- Step 1: Write the proportion equation
19,970,077.53 : 29,973,528.10 = 10,129,048.08 : x - Step 2: Convert to fraction form
19,970,077.53/29,973,528.10 = 10,129,048.08/x - Step 3: Cross multiply
19,970,077.53x = 29,973,528.10 × 10,129,048.08 - Step 4: Simplify right side
19,970,077.53x = 303,603,307,252,131.06 - Step 5: Solve for x
x = 303,603,307,252,131.06/19,970,077.53 - Step 6: Final answer
x = 15,202,910.79
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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.