Finding the Fourth Proportional to 7,245,837.63, 9,999,358.62 and 3,982,954.05
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Solution
The fourth proportional to 7,245,837.63, 9,999,358.62 and 3,982,954.05 is: 5,496,533.04
Step by Step Solution
- Step 1: Write the proportion equation
7,245,837.63 : 9,999,358.62 = 3,982,954.05 : x - Step 2: Convert to fraction form
7,245,837.63/9,999,358.62 = 3,982,954.05/x - Step 3: Cross multiply
7,245,837.63x = 9,999,358.62 × 3,982,954.05 - Step 4: Simplify right side
7,245,837.63x = 39,826,985,912,931.41 - Step 5: Solve for x
x = 39,826,985,912,931.41/7,245,837.63 - Step 6: Final answer
x = 5,496,533.04
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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.