Finding the Fourth Proportional to 7,843,735.89, 11,766,281.58 and 2,163,960.18
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Solution
The fourth proportional to 7,843,735.89, 11,766,281.58 and 2,163,960.18 is: 3,246,127.25
Step by Step Solution
- Step 1: Write the proportion equation
7,843,735.89 : 11,766,281.58 = 2,163,960.18 : x - Step 2: Convert to fraction form
7,843,735.89/11,766,281.58 = 2,163,960.18/x - Step 3: Cross multiply
7,843,735.89x = 11,766,281.58 × 2,163,960.18 - Step 4: Simplify right side
7,843,735.89x = 25,461,764,805,787.49 - Step 5: Solve for x
x = 25,461,764,805,787.49/7,843,735.89 - Step 6: Final answer
x = 3,246,127.25
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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.