Finding the Fourth Proportional to 7,972,555.42, 10,996,252.01 and 6,012,515.99
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Solution
The fourth proportional to 7,972,555.42, 10,996,252.01 and 6,012,515.99 is: 8,292,841.83
Step by Step Solution
- Step 1: Write the proportion equation
7,972,555.42 : 10,996,252.01 = 6,012,515.99 : x - Step 2: Convert to fraction form
7,972,555.42/10,996,252.01 = 6,012,515.99/x - Step 3: Cross multiply
7,972,555.42x = 10,996,252.01 × 6,012,515.99 - Step 4: Simplify right side
7,972,555.42x = 66,115,141,068,623.22 - Step 5: Solve for x
x = 66,115,141,068,623.22/7,972,555.42 - Step 6: Final answer
x = 8,292,841.83
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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.