Finding the Fourth Proportional to 19,749,955.44, 27,253,651.80 and 11,046,618.48
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Solution
The fourth proportional to 19,749,955.44, 27,253,651.80 and 11,046,618.48 is: 15,243,613.82
Step by Step Solution
- Step 1: Write the proportion equation
19,749,955.44 : 27,253,651.80 = 11,046,618.48 : x - Step 2: Convert to fraction form
19,749,955.44/27,253,651.80 = 11,046,618.48/x - Step 3: Cross multiply
19,749,955.44x = 27,253,651.80 × 11,046,618.48 - Step 4: Simplify right side
19,749,955.44x = 301,060,693,621,365.31 - Step 5: Solve for x
x = 301,060,693,621,365.31/19,749,955.44 - Step 6: Final answer
x = 15,243,613.82
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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.