Finding the Fourth Proportional to 19,808,555.24, 27,336,083.64 and 11,966,976.84
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Solution
The fourth proportional to 19,808,555.24, 27,336,083.64 and 11,966,976.84 is: 16,514,595.63
Step by Step Solution
- Step 1: Write the proportion equation
19,808,555.24 : 27,336,083.64 = 11,966,976.84 : x - Step 2: Convert to fraction form
19,808,555.24/27,336,083.64 = 11,966,976.84/x - Step 3: Cross multiply
19,808,555.24x = 27,336,083.64 × 11,966,976.84 - Step 4: Simplify right side
19,808,555.24x = 327,130,279,816,182.88 - Step 5: Solve for x
x = 327,130,279,816,182.88/19,808,555.24 - Step 6: Final answer
x = 16,514,595.63
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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.