Finding the Fourth Proportional to 12,179,598.84, 18,269,694.60 and 4,092,691.68
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Solution
The fourth proportional to 12,179,598.84, 18,269,694.60 and 4,092,691.68 is: 6,139,137.10
Step by Step Solution
- Step 1: Write the proportion equation
12,179,598.84 : 18,269,694.60 = 4,092,691.68 : x - Step 2: Convert to fraction form
12,179,598.84/18,269,694.60 = 4,092,691.68/x - Step 3: Cross multiply
12,179,598.84x = 18,269,694.60 × 4,092,691.68 - Step 4: Simplify right side
12,179,598.84x = 74,772,227,085,560.94 - Step 5: Solve for x
x = 74,772,227,085,560.94/12,179,598.84 - Step 6: Final answer
x = 6,139,137.10
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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.