Finding the Fourth Proportional to 7,775,753.94, 11,668,837.05 and 3,226,807.44
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Solution
The fourth proportional to 7,775,753.94, 11,668,837.05 and 3,226,807.44 is: 4,842,371.62
Step by Step Solution
- Step 1: Write the proportion equation
7,775,753.94 : 11,668,837.05 = 3,226,807.44 : x - Step 2: Convert to fraction form
7,775,753.94/11,668,837.05 = 3,226,807.44/x - Step 3: Cross multiply
7,775,753.94x = 11,668,837.05 × 3,226,807.44 - Step 4: Simplify right side
7,775,753.94x = 37,653,090,209,087.66 - Step 5: Solve for x
x = 37,653,090,209,087.66/7,775,753.94 - Step 6: Final answer
x = 4,842,371.62
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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.