Finding the Fourth Proportional to 21,955,639.68, 32,935,362.21 and 5,781,462.48
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Solution
The fourth proportional to 21,955,639.68, 32,935,362.21 and 5,781,462.48 is: 8,672,694.75
Step by Step Solution
- Step 1: Write the proportion equation
21,955,639.68 : 32,935,362.21 = 5,781,462.48 : x - Step 2: Convert to fraction form
21,955,639.68/32,935,362.21 = 5,781,462.48/x - Step 3: Cross multiply
21,955,639.68x = 32,935,362.21 × 5,781,462.48 - Step 4: Simplify right side
21,955,639.68x = 190,414,560,882,324.91 - Step 5: Solve for x
x = 190,414,560,882,324.91/21,955,639.68 - Step 6: Final answer
x = 8,672,694.75
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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.