Finding the Fourth Proportional to 9,982,366.88, 13,775,675.49 and 5,398,688.26
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Solution
The fourth proportional to 9,982,366.88, 13,775,675.49 and 5,398,688.26 is: 7,450,194.77
Step by Step Solution
- Step 1: Write the proportion equation
9,982,366.88 : 13,775,675.49 = 5,398,688.26 : x - Step 2: Convert to fraction form
9,982,366.88/13,775,675.49 = 5,398,688.26/x - Step 3: Cross multiply
9,982,366.88x = 13,775,675.49 × 5,398,688.26 - Step 4: Simplify right side
9,982,366.88x = 74,370,577,520,295.08 - Step 5: Solve for x
x = 74,370,577,520,295.08/9,982,366.88 - Step 6: Final answer
x = 7,450,194.77
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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.