Finding the Fourth Proportional to 16,286,253.02, 22,483,754.70 and 12,556,938.70
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Solution
The fourth proportional to 16,286,253.02, 22,483,754.70 and 12,556,938.70 is: 17,335,302.92
Step by Step Solution
- Step 1: Write the proportion equation
16,286,253.02 : 22,483,754.70 = 12,556,938.70 : x - Step 2: Convert to fraction form
16,286,253.02/22,483,754.70 = 12,556,938.70/x - Step 3: Cross multiply
16,286,253.02x = 22,483,754.70 × 12,556,938.70 - Step 4: Simplify right side
16,286,253.02x = 282,327,129,513,736.88 - Step 5: Solve for x
x = 282,327,129,513,736.88/16,286,253.02 - Step 6: Final answer
x = 17,335,302.92
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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.