Finding the Fourth Proportional to 9,705,353.99, 13,393,296.14 and 5,354,475.44
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Solution
The fourth proportional to 9,705,353.99, 13,393,296.14 and 5,354,475.44 is: 7,389,125.14
Step by Step Solution
- Step 1: Write the proportion equation
9,705,353.99 : 13,393,296.14 = 5,354,475.44 : x - Step 2: Convert to fraction form
9,705,353.99/13,393,296.14 = 5,354,475.44/x - Step 3: Cross multiply
9,705,353.99x = 13,393,296.14 × 5,354,475.44 - Step 4: Simplify right side
9,705,353.99x = 71,714,075,148,537.94 - Step 5: Solve for x
x = 71,714,075,148,537.94/9,705,353.99 - Step 6: Final answer
x = 7,389,125.14
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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.