Finding the Fourth Proportional to 12,619,719.06, 18,932,125.08 and 3,985,167.87
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Solution
The fourth proportional to 12,619,719.06, 18,932,125.08 and 3,985,167.87 is: 5,978,555.96
Step by Step Solution
- Step 1: Write the proportion equation
12,619,719.06 : 18,932,125.08 = 3,985,167.87 : x - Step 2: Convert to fraction form
12,619,719.06/18,932,125.08 = 3,985,167.87/x - Step 3: Cross multiply
12,619,719.06x = 18,932,125.08 × 3,985,167.87 - Step 4: Simplify right side
12,619,719.06x = 75,447,696,579,637.17 - Step 5: Solve for x
x = 75,447,696,579,637.17/12,619,719.06 - Step 6: Final answer
x = 5,978,555.96
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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.