Finding the Fourth Proportional to 9,172,536.84, 13,760,460.09 and 3,778,243.02
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Solution
The fourth proportional to 9,172,536.84, 13,760,460.09 and 3,778,243.02 is: 5,668,046.17
Step by Step Solution
- Step 1: Write the proportion equation
9,172,536.84 : 13,760,460.09 = 3,778,243.02 : x - Step 2: Convert to fraction form
9,172,536.84/13,760,460.09 = 3,778,243.02/x - Step 3: Cross multiply
9,172,536.84x = 13,760,460.09 × 3,778,243.02 - Step 4: Simplify right side
9,172,536.84x = 51,990,362,287,031.07 - Step 5: Solve for x
x = 51,990,362,287,031.07/9,172,536.84 - Step 6: Final answer
x = 5,668,046.17
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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.