Finding the Fourth Proportional to 25,700,788.63, 38,551,314.19 and 8,661,609.19
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Solution
The fourth proportional to 25,700,788.63, 38,551,314.19 and 8,661,609.19 is: 12,992,458.02
Step by Step Solution
- Step 1: Write the proportion equation
25,700,788.63 : 38,551,314.19 = 8,661,609.19 : x - Step 2: Convert to fraction form
25,700,788.63/38,551,314.19 = 8,661,609.19/x - Step 3: Cross multiply
25,700,788.63x = 38,551,314.19 × 8,661,609.19 - Step 4: Simplify right side
25,700,788.63x = 333,916,417,274,681.38 - Step 5: Solve for x
x = 333,916,417,274,681.38/25,700,788.63 - Step 6: Final answer
x = 12,992,458.02
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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.