Finding the Fourth Proportional to 7,634,549.84, 10,535,712.84 and 4,197,011.92
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Solution
The fourth proportional to 7,634,549.84, 10,535,712.84 and 4,197,011.92 is: 5,791,895.17
Step by Step Solution
- Step 1: Write the proportion equation
7,634,549.84 : 10,535,712.84 = 4,197,011.92 : x - Step 2: Convert to fraction form
7,634,549.84/10,535,712.84 = 4,197,011.92/x - Step 3: Cross multiply
7,634,549.84x = 10,535,712.84 × 4,197,011.92 - Step 4: Simplify right side
7,634,549.84x = 44,218,512,375,177.05 - Step 5: Solve for x
x = 44,218,512,375,177.05/7,634,549.84 - Step 6: Final answer
x = 5,791,895.17
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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.