Finding the Fourth Proportional to 10,804,838.12, 16,207,284.60 and 4,415,089.32
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Solution
The fourth proportional to 10,804,838.12, 16,207,284.60 and 4,415,089.32 is: 6,622,645.18
Step by Step Solution
- Step 1: Write the proportion equation
10,804,838.12 : 16,207,284.60 = 4,415,089.32 : x - Step 2: Convert to fraction form
10,804,838.12/16,207,284.60 = 4,415,089.32/x - Step 3: Cross multiply
10,804,838.12x = 16,207,284.60 × 4,415,089.32 - Step 4: Simplify right side
10,804,838.12x = 71,556,609,143,660.47 - Step 5: Solve for x
x = 71,556,609,143,660.47/10,804,838.12 - Step 6: Final answer
x = 6,622,645.18
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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.