Finding the Fourth Proportional to 7,686,350.68, 10,608,218.58 and 4,423,098.76
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Solution
The fourth proportional to 7,686,350.68, 10,608,218.58 and 4,423,098.76 is: 6,104,483.18
Step by Step Solution
- Step 1: Write the proportion equation
7,686,350.68 : 10,608,218.58 = 4,423,098.76 : x - Step 2: Convert to fraction form
7,686,350.68/10,608,218.58 = 4,423,098.76/x - Step 3: Cross multiply
7,686,350.68x = 10,608,218.58 × 4,423,098.76 - Step 4: Simplify right side
7,686,350.68x = 46,921,198,447,006.96 - Step 5: Solve for x
x = 46,921,198,447,006.96/7,686,350.68 - Step 6: Final answer
x = 6,104,483.18
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1.5x scale
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.