Finding the Fourth Proportional to 7,643,630.19, 11,461,902.36 and 2,850,032.37
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Solution
The fourth proportional to 7,643,630.19, 11,461,902.36 and 2,850,032.37 is: 4,273,727.53
Step by Step Solution
- Step 1: Write the proportion equation
7,643,630.19 : 11,461,902.36 = 2,850,032.37 : x - Step 2: Convert to fraction form
7,643,630.19/11,461,902.36 = 2,850,032.37/x - Step 3: Cross multiply
7,643,630.19x = 11,461,902.36 × 2,850,032.37 - Step 4: Simplify right side
7,643,630.19x = 32,666,792,747,779.39 - Step 5: Solve for x
x = 32,666,792,747,779.39/7,643,630.19 - Step 6: Final answer
x = 4,273,727.53
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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.