Finding the Fourth Proportional to 7,798,815.19, 11,699,287.28 and 3,248,799.69
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Solution
The fourth proportional to 7,798,815.19, 11,699,287.28 and 3,248,799.69 is: 4,873,642.98
Step by Step Solution
- Step 1: Write the proportion equation
7,798,815.19 : 11,699,287.28 = 3,248,799.69 : x - Step 2: Convert to fraction form
7,798,815.19/11,699,287.28 = 3,248,799.69/x - Step 3: Cross multiply
7,798,815.19x = 11,699,287.28 × 3,248,799.69 - Step 4: Simplify right side
7,798,815.19x = 38,008,640,928,296.27 - Step 5: Solve for x
x = 38,008,640,928,296.27/7,798,815.19 - Step 6: Final answer
x = 4,873,642.98
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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.