Finding the Fourth Proportional to 12,611,342.00, 17,403,705.21 and 7,104,782.79
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Solution
The fourth proportional to 12,611,342.00, 17,403,705.21 and 7,104,782.79 is: 9,804,630.25
Step by Step Solution
- Step 1: Write the proportion equation
12,611,342.00 : 17,403,705.21 = 7,104,782.79 : x - Step 2: Convert to fraction form
12,611,342.00/17,403,705.21 = 7,104,782.79/x - Step 3: Cross multiply
12,611,342.00x = 17,403,705.21 × 7,104,782.79 - Step 4: Simplify right side
12,611,342.00x = 123,649,545,258,241.34 - Step 5: Solve for x
x = 123,649,545,258,241.34/12,611,342.00 - Step 6: Final answer
x = 9,804,630.25
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1.5x scale
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.