Finding the Fourth Proportional to 8,709,548.84, 12,019,224.08 and 4,789,557.68
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Solution
The fourth proportional to 8,709,548.84, 12,019,224.08 and 4,789,557.68 is: 6,609,615.27
Step by Step Solution
- Step 1: Write the proportion equation
8,709,548.84 : 12,019,224.08 = 4,789,557.68 : x - Step 2: Convert to fraction form
8,709,548.84/12,019,224.08 = 4,789,557.68/x - Step 3: Cross multiply
8,709,548.84x = 12,019,224.08 × 4,789,557.68 - Step 4: Simplify right side
8,709,548.84x = 57,566,767,000,004.93 - Step 5: Solve for x
x = 57,566,767,000,004.93/8,709,548.84 - Step 6: Final answer
x = 6,609,615.27
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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.