Finding the Fourth Proportional to 21,531,201.28, 32,303,035.44 and 6,385,497.28
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Solution
The fourth proportional to 21,531,201.28, 32,303,035.44 and 6,385,497.28 is: 9,580,094.59
Step by Step Solution
- Step 1: Write the proportion equation
21,531,201.28 : 32,303,035.44 = 6,385,497.28 : x - Step 2: Convert to fraction form
21,531,201.28/32,303,035.44 = 6,385,497.28/x - Step 3: Cross multiply
21,531,201.28x = 32,303,035.44 × 6,385,497.28 - Step 4: Simplify right side
21,531,201.28x = 206,270,944,937,863.62 - Step 5: Solve for x
x = 206,270,944,937,863.62/21,531,201.28 - Step 6: Final answer
x = 9,580,094.59
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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.