Finding the Fourth Proportional to 18,151,117.86, 27,226,579.05 and 10,469,784.18
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Solution
The fourth proportional to 18,151,117.86, 27,226,579.05 and 10,469,784.18 is: 15,704,619.89
Step by Step Solution
- Step 1: Write the proportion equation
18,151,117.86 : 27,226,579.05 = 10,469,784.18 : x - Step 2: Convert to fraction form
18,151,117.86/27,226,579.05 = 10,469,784.18/x - Step 3: Cross multiply
18,151,117.86x = 27,226,579.05 × 10,469,784.18 - Step 4: Simplify right side
18,151,117.86x = 285,056,406,613,209.44 - Step 5: Solve for x
x = 285,056,406,613,209.44/18,151,117.86 - Step 6: Final answer
x = 15,704,619.89
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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.