Finding the Fourth Proportional to 19,808,556.24, 27,336,085.02 and 11,966,977.84
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Solution
The fourth proportional to 19,808,556.24, 27,336,085.02 and 11,966,977.84 is: 16,514,597.01
Step by Step Solution
- Step 1: Write the proportion equation
19,808,556.24 : 27,336,085.02 = 11,966,977.84 : x - Step 2: Convert to fraction form
19,808,556.24/27,336,085.02 = 11,966,977.84/x - Step 3: Cross multiply
19,808,556.24x = 27,336,085.02 × 11,966,977.84 - Step 4: Simplify right side
19,808,556.24x = 327,130,323,666,695.94 - Step 5: Solve for x
x = 327,130,323,666,695.94/19,808,556.24 - Step 6: Final answer
x = 16,514,597.01
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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.