Finding the Fourth Proportional to 12,925,843.36, 17,836,852.68 and 7,124,305.84
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Solution
The fourth proportional to 12,925,843.36, 17,836,852.68 and 7,124,305.84 is: 9,831,094.98
Step by Step Solution
- Step 1: Write the proportion equation
12,925,843.36 : 17,836,852.68 = 7,124,305.84 : x - Step 2: Convert to fraction form
12,925,843.36/17,836,852.68 = 7,124,305.84/x - Step 3: Cross multiply
12,925,843.36x = 17,836,852.68 × 7,124,305.84 - Step 4: Simplify right side
12,925,843.36x = 127,075,193,715,343.64 - Step 5: Solve for x
x = 127,075,193,715,343.64/12,925,843.36 - Step 6: Final answer
x = 9,831,094.98
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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.