Finding the Fourth Proportional to 10,786,998.60, 16,159,502.70 and 6,514,475.40
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Solution
The fourth proportional to 10,786,998.60, 16,159,502.70 and 6,514,475.40 is: 9,759,033.70
Step by Step Solution
- Step 1: Write the proportion equation
10,786,998.60 : 16,159,502.70 = 6,514,475.40 : x - Step 2: Convert to fraction form
10,786,998.60/16,159,502.70 = 6,514,475.40/x - Step 3: Cross multiply
10,786,998.60x = 16,159,502.70 × 6,514,475.40 - Step 4: Simplify right side
10,786,998.60x = 105,270,682,815,383.58 - Step 5: Solve for x
x = 105,270,682,815,383.58/10,786,998.60 - Step 6: Final answer
x = 9,759,033.70
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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.