Finding the Fourth Proportional to 12,021,274.08, 16,584,145.20 and 7,952,559.84
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Solution
The fourth proportional to 12,021,274.08, 16,584,145.20 and 7,952,559.84 is: 10,971,083.95
Step by Step Solution
- Step 1: Write the proportion equation
12,021,274.08 : 16,584,145.20 = 7,952,559.84 : x - Step 2: Convert to fraction form
12,021,274.08/16,584,145.20 = 7,952,559.84/x - Step 3: Cross multiply
12,021,274.08x = 16,584,145.20 × 7,952,559.84 - Step 4: Simplify right side
12,021,274.08x = 131,886,407,098,248.77 - Step 5: Solve for x
x = 131,886,407,098,248.77/12,021,274.08 - Step 6: Final answer
x = 10,971,083.95
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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.