Finding the Fourth Proportional to 8,159,556.74, 11,260,398.40 and 4,488,567.62
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Solution
The fourth proportional to 8,159,556.74, 11,260,398.40 and 4,488,567.62 is: 6,194,338.89
Step by Step Solution
- Step 1: Write the proportion equation
8,159,556.74 : 11,260,398.40 = 4,488,567.62 : x - Step 2: Convert to fraction form
8,159,556.74/11,260,398.40 = 4,488,567.62/x - Step 3: Cross multiply
8,159,556.74x = 11,260,398.40 × 4,488,567.62 - Step 4: Simplify right side
8,159,556.74x = 50,543,059,579,016.41 - Step 5: Solve for x
x = 50,543,059,579,016.41/8,159,556.74 - Step 6: Final answer
x = 6,194,338.89
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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.