Finding the Fourth Proportional to 7,971,555.84, 11,000,643.84 and 4,349,821.44
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Solution
The fourth proportional to 7,971,555.84, 11,000,643.84 and 4,349,821.44 is: 6,002,697.26
Step by Step Solution
- Step 1: Write the proportion equation
7,971,555.84 : 11,000,643.84 = 4,349,821.44 : x - Step 2: Convert to fraction form
7,971,555.84/11,000,643.84 = 4,349,821.44/x - Step 3: Cross multiply
7,971,555.84x = 11,000,643.84 × 4,349,821.44 - Step 4: Simplify right side
7,971,555.84x = 47,850,836,429,035.93 - Step 5: Solve for x
x = 47,850,836,429,035.93/7,971,555.84 - Step 6: Final answer
x = 6,002,697.26
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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.