Finding the Fourth Proportional to 19,620,064.75, 27,075,689.36 and 11,035,360.75
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Solution
The fourth proportional to 19,620,064.75, 27,075,689.36 and 11,035,360.75 is: 15,228,797.84
Step by Step Solution
- Step 1: Write the proportion equation
19,620,064.75 : 27,075,689.36 = 11,035,360.75 : x - Step 2: Convert to fraction form
19,620,064.75/27,075,689.36 = 11,035,360.75/x - Step 3: Cross multiply
19,620,064.75x = 27,075,689.36 × 11,035,360.75 - Step 4: Simplify right side
19,620,064.75x = 298,789,999,642,536.62 - Step 5: Solve for x
x = 298,789,999,642,536.62/19,620,064.75 - Step 6: Final answer
x = 15,228,797.84
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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.