Finding the Fourth Proportional to 9,982,373.76, 13,775,684.99 and 5,398,695.14
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Solution
The fourth proportional to 9,982,373.76, 13,775,684.99 and 5,398,695.14 is: 7,450,204.26
Step by Step Solution
- Step 1: Write the proportion equation
9,982,373.76 : 13,775,684.99 = 5,398,695.14 : x - Step 2: Convert to fraction form
9,982,373.76/13,775,684.99 = 5,398,695.14/x - Step 3: Cross multiply
9,982,373.76x = 13,775,684.99 × 5,398,695.14 - Step 4: Simplify right side
9,982,373.76x = 74,370,723,509,812.05 - Step 5: Solve for x
x = 74,370,723,509,812.05/9,982,373.76 - Step 6: Final answer
x = 7,450,204.26
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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.