Finding the Fourth Proportional to 12,359,266.40, 18,514,986.76 and 6,951,486.08
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Solution
The fourth proportional to 12,359,266.40, 18,514,986.76 and 6,951,486.08 is: 10,413,779.31
Step by Step Solution
- Step 1: Write the proportion equation
12,359,266.40 : 18,514,986.76 = 6,951,486.08 : x - Step 2: Convert to fraction form
12,359,266.40/18,514,986.76 = 6,951,486.08/x - Step 3: Cross multiply
12,359,266.40x = 18,514,986.76 × 6,951,486.08 - Step 4: Simplify right side
12,359,266.40x = 128,706,672,733,524.31 - Step 5: Solve for x
x = 128,706,672,733,524.31/12,359,266.40 - Step 6: Final answer
x = 10,413,779.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.