Finding the Fourth Proportional to 10,667,743.82, 14,721,523.11 and 5,772,964.61
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Solution
The fourth proportional to 10,667,743.82, 14,721,523.11 and 5,772,964.61 is: 7,966,710.99
Step by Step Solution
- Step 1: Write the proportion equation
10,667,743.82 : 14,721,523.11 = 5,772,964.61 : x - Step 2: Convert to fraction form
10,667,743.82/14,721,523.11 = 5,772,964.61/x - Step 3: Cross multiply
10,667,743.82x = 14,721,523.11 × 5,772,964.61 - Step 4: Simplify right side
10,667,743.82x = 84,986,831,917,354.05 - Step 5: Solve for x
x = 84,986,831,917,354.05/10,667,743.82 - Step 6: Final answer
x = 7,966,710.99
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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.