Finding the Fourth Proportional to 15,034,043.01, 20,746,992.68 and 8,158,525.05
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Solution
The fourth proportional to 15,034,043.01, 20,746,992.68 and 8,158,525.05 is: 11,258,771.80
Step by Step Solution
- Step 1: Write the proportion equation
15,034,043.01 : 20,746,992.68 = 8,158,525.05 : x - Step 2: Convert to fraction form
15,034,043.01/20,746,992.68 = 8,158,525.05/x - Step 3: Cross multiply
15,034,043.01x = 20,746,992.68 × 8,158,525.05 - Step 4: Simplify right side
15,034,043.01x = 169,264,859,491,946.62 - Step 5: Solve for x
x = 169,264,859,491,946.62/15,034,043.01 - Step 6: Final answer
x = 11,258,771.80
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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.