Finding the Fourth Proportional to 7,136,514.84, 9,848,139.99 and 3,873,263.88
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Solution
The fourth proportional to 7,136,514.84, 9,848,139.99 and 3,873,263.88 is: 5,344,968.20
Step by Step Solution
- Step 1: Write the proportion equation
7,136,514.84 : 9,848,139.99 = 3,873,263.88 : x - Step 2: Convert to fraction form
7,136,514.84/9,848,139.99 = 3,873,263.88/x - Step 3: Cross multiply
7,136,514.84x = 9,848,139.99 × 3,873,263.88 - Step 4: Simplify right side
7,136,514.84x = 38,144,444,908,450.56 - Step 5: Solve for x
x = 38,144,444,908,450.56/7,136,514.84 - Step 6: Final answer
x = 5,344,968.20
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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.