Finding the Fourth Proportional to 18,075,800.64, 27,113,921.28 and 5,296,563.84
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Solution
The fourth proportional to 18,075,800.64, 27,113,921.28 and 5,296,563.84 is: 7,944,910.32
Step by Step Solution
- Step 1: Write the proportion equation
18,075,800.64 : 27,113,921.28 = 5,296,563.84 : x - Step 2: Convert to fraction form
18,075,800.64/27,113,921.28 = 5,296,563.84/x - Step 3: Cross multiply
18,075,800.64x = 27,113,921.28 × 5,296,563.84 - Step 4: Simplify right side
18,075,800.64x = 143,610,615,012,254.53 - Step 5: Solve for x
x = 143,610,615,012,254.53/18,075,800.64 - Step 6: Final answer
x = 7,944,910.32
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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.