Finding the Fourth Proportional to 16,484,378.42, 22,745,434.34 and 9,512,512.54
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Solution
The fourth proportional to 16,484,378.42, 22,745,434.34 and 9,512,512.54 is: 13,125,531.56
Step by Step Solution
- Step 1: Write the proportion equation
16,484,378.42 : 22,745,434.34 = 9,512,512.54 : x - Step 2: Convert to fraction form
16,484,378.42/22,745,434.34 = 9,512,512.54/x - Step 3: Cross multiply
16,484,378.42x = 22,745,434.34 × 9,512,512.54 - Step 4: Simplify right side
16,484,378.42x = 216,366,229,282,570.47 - Step 5: Solve for x
x = 216,366,229,282,570.47/16,484,378.42 - Step 6: Final answer
x = 13,125,531.56
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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.