Finding the Fourth Proportional to 11,217,604.71, 15,481,387.41 and 6,635,402.31
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Solution
The fourth proportional to 11,217,604.71, 15,481,387.41 and 6,635,402.31 is: 9,157,501.66
Step by Step Solution
- Step 1: Write the proportion equation
11,217,604.71 : 15,481,387.41 = 6,635,402.31 : x - Step 2: Convert to fraction form
11,217,604.71/15,481,387.41 = 6,635,402.31/x - Step 3: Cross multiply
11,217,604.71x = 15,481,387.41 × 6,635,402.31 - Step 4: Simplify right side
11,217,604.71x = 102,725,233,782,318.91 - Step 5: Solve for x
x = 102,725,233,782,318.91/11,217,604.71 - Step 6: Final answer
x = 9,157,501.66
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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.