Finding the Fourth Proportional to 13,609,062.60, 20,389,974.30 and 8,814,283.80
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Solution
The fourth proportional to 13,609,062.60, 20,389,974.30 and 8,814,283.80 is: 13,206,127.82
Step by Step Solution
- Step 1: Write the proportion equation
13,609,062.60 : 20,389,974.30 = 8,814,283.80 : x - Step 2: Convert to fraction form
13,609,062.60/20,389,974.30 = 8,814,283.80/x - Step 3: Cross multiply
13,609,062.60x = 20,389,974.30 × 8,814,283.80 - Step 4: Simplify right side
13,609,062.60x = 179,723,020,154,906.38 - Step 5: Solve for x
x = 179,723,020,154,906.38/13,609,062.60 - Step 6: Final answer
x = 13,206,127.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.