Finding the Fourth Proportional to 7,884,067.80, 11,826,101.70 and 4,642,277.70
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Solution
The fourth proportional to 7,884,067.80, 11,826,101.70 and 4,642,277.70 is: 6,963,416.55
Step by Step Solution
- Step 1: Write the proportion equation
7,884,067.80 : 11,826,101.70 = 4,642,277.70 : x - Step 2: Convert to fraction form
7,884,067.80/11,826,101.70 = 4,642,277.70/x - Step 3: Cross multiply
7,884,067.80x = 11,826,101.70 × 4,642,277.70 - Step 4: Simplify right side
7,884,067.80x = 54,900,048,199,842.09 - Step 5: Solve for x
x = 54,900,048,199,842.09/7,884,067.80 - Step 6: Final answer
x = 6,963,416.55
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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.