Finding the Fourth Proportional to 11,718,992.05, 16,172,206.74 and 6,492,339.88
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Solution
The fourth proportional to 11,718,992.05, 16,172,206.74 and 6,492,339.88 is: 8,959,427.76
Step by Step Solution
- Step 1: Write the proportion equation
11,718,992.05 : 16,172,206.74 = 6,492,339.88 : x - Step 2: Convert to fraction form
11,718,992.05/16,172,206.74 = 6,492,339.88/x - Step 3: Cross multiply
11,718,992.05x = 16,172,206.74 × 6,492,339.88 - Step 4: Simplify right side
11,718,992.05x = 104,995,462,725,276.28 - Step 5: Solve for x
x = 104,995,462,725,276.28/11,718,992.05 - Step 6: Final answer
x = 8,959,427.76
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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.