Finding the Fourth Proportional to 16,180,789.98, 22,329,566.28 and 8,838,724.80
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Solution
The fourth proportional to 16,180,789.98, 22,329,566.28 and 8,838,724.80 is: 12,197,481.80
Step by Step Solution
- Step 1: Write the proportion equation
16,180,789.98 : 22,329,566.28 = 8,838,724.80 : x - Step 2: Convert to fraction form
16,180,789.98/22,329,566.28 = 8,838,724.80/x - Step 3: Cross multiply
16,180,789.98x = 22,329,566.28 × 8,838,724.80 - Step 4: Simplify right side
16,180,789.98x = 197,364,891,252,279.78 - Step 5: Solve for x
x = 197,364,891,252,279.78/16,180,789.98 - Step 6: Final answer
x = 12,197,481.80
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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.