Finding the Fourth Proportional to 7,192,293.93, 9,925,511.92 and 3,929,319.99
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Solution
The fourth proportional to 7,192,293.93, 9,925,511.92 and 3,929,319.99 is: 5,422,541.51
Step by Step Solution
- Step 1: Write the proportion equation
7,192,293.93 : 9,925,511.92 = 3,929,319.99 : x - Step 2: Convert to fraction form
7,192,293.93/9,925,511.92 = 3,929,319.99/x - Step 3: Cross multiply
7,192,293.93x = 9,925,511.92 × 3,929,319.99 - Step 4: Simplify right side
7,192,293.93x = 39,000,512,388,415.98 - Step 5: Solve for x
x = 39,000,512,388,415.98/7,192,293.93 - Step 6: Final answer
x = 5,422,541.51
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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.