Finding the Fourth Proportional to 39,153,116.16, 54,029,797.92 and 21,750,556.96
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Solution
The fourth proportional to 39,153,116.16, 54,029,797.92 and 21,750,556.96 is: 30,014,933.99
Step by Step Solution
- Step 1: Write the proportion equation
39,153,116.16 : 54,029,797.92 = 21,750,556.96 : x - Step 2: Convert to fraction form
39,153,116.16/54,029,797.92 = 21,750,556.96/x - Step 3: Cross multiply
39,153,116.16x = 54,029,797.92 × 21,750,556.96 - Step 4: Simplify right side
39,153,116.16x = 1,175,178,197,196,249.50 - Step 5: Solve for x
x = 1,175,178,197,196,249.50/39,153,116.16 - Step 6: Final answer
x = 30,014,933.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.