Finding the Fourth Proportional to 17,751,643.62, 24,497,029.74 and 9,911,275.98
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Solution
The fourth proportional to 17,751,643.62, 24,497,029.74 and 9,911,275.98 is: 13,677,427.72
Step by Step Solution
- Step 1: Write the proportion equation
17,751,643.62 : 24,497,029.74 = 9,911,275.98 : x - Step 2: Convert to fraction form
17,751,643.62/24,497,029.74 = 9,911,275.98/x - Step 3: Cross multiply
17,751,643.62x = 24,497,029.74 × 9,911,275.98 - Step 4: Simplify right side
17,751,643.62x = 242,796,822,443,407.62 - Step 5: Solve for x
x = 242,796,822,443,407.62/17,751,643.62 - Step 6: Final answer
x = 13,677,427.72
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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.