Finding the Fourth Proportional to 7,831,724.03, 11,748,213.99 and 2,976,356.60
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Solution
The fourth proportional to 7,831,724.03, 11,748,213.99 and 2,976,356.60 is: 4,464,773.54
Step by Step Solution
- Step 1: Write the proportion equation
7,831,724.03 : 11,748,213.99 = 2,976,356.60 : x - Step 2: Convert to fraction form
7,831,724.03/11,748,213.99 = 2,976,356.60/x - Step 3: Cross multiply
7,831,724.03x = 11,748,213.99 × 2,976,356.60 - Step 4: Simplify right side
7,831,724.03x = 34,966,874,188,607.77 - Step 5: Solve for x
x = 34,966,874,188,607.77/7,831,724.03 - Step 6: Final answer
x = 4,464,773.54
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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.