Finding the Fourth Proportional to 8,075,768.40, 12,109,497.30 and 2,395,254.60
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Solution
The fourth proportional to 8,075,768.40, 12,109,497.30 and 2,395,254.60 is: 3,591,649.45
Step by Step Solution
- Step 1: Write the proportion equation
8,075,768.40 : 12,109,497.30 = 2,395,254.60 : x - Step 2: Convert to fraction form
8,075,768.40/12,109,497.30 = 2,395,254.60/x - Step 3: Cross multiply
8,075,768.40x = 12,109,497.30 × 2,395,254.60 - Step 4: Simplify right side
8,075,768.40x = 29,005,329,111,512.58 - Step 5: Solve for x
x = 29,005,329,111,512.58/8,075,768.40 - Step 6: Final answer
x = 3,591,649.45
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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.