Finding the Fourth Proportional to 16,791,933.68, 25,189,698.72 and 4,661,447.84
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Solution
The fourth proportional to 16,791,933.68, 25,189,698.72 and 4,661,447.84 is: 6,992,670.94
Step by Step Solution
- Step 1: Write the proportion equation
16,791,933.68 : 25,189,698.72 = 4,661,447.84 : x - Step 2: Convert to fraction form
16,791,933.68/25,189,698.72 = 4,661,447.84/x - Step 3: Cross multiply
16,791,933.68x = 25,189,698.72 × 4,661,447.84 - Step 4: Simplify right side
16,791,933.68x = 117,420,466,688,594.75 - Step 5: Solve for x
x = 117,420,466,688,594.75/16,791,933.68 - Step 6: Final answer
x = 6,992,670.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.