Finding the Fourth Proportional to 18,613,929.60, 27,923,518.80 and 5,833,101.60
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Solution
The fourth proportional to 18,613,929.60, 27,923,518.80 and 5,833,101.60 is: 8,750,474.82
Step by Step Solution
- Step 1: Write the proportion equation
18,613,929.60 : 27,923,518.80 = 5,833,101.60 : x - Step 2: Convert to fraction form
18,613,929.60/27,923,518.80 = 5,833,101.60/x - Step 3: Cross multiply
18,613,929.60x = 27,923,518.80 × 5,833,101.60 - Step 4: Simplify right side
18,613,929.60x = 162,880,722,189,910.06 - Step 5: Solve for x
x = 162,880,722,189,910.06/18,613,929.60 - Step 6: Final answer
x = 8,750,474.82
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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.