Finding the Fourth Proportional to 15,274,263.59, 21,079,240.43 and 9,474,913.88
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Solution
The fourth proportional to 15,274,263.59, 21,079,240.43 and 9,474,913.88 is: 13,075,850.53
Step by Step Solution
- Step 1: Write the proportion equation
15,274,263.59 : 21,079,240.43 = 9,474,913.88 : x - Step 2: Convert to fraction form
15,274,263.59/21,079,240.43 = 9,474,913.88/x - Step 3: Cross multiply
15,274,263.59x = 21,079,240.43 × 9,474,913.88 - Step 4: Simplify right side
15,274,263.59x = 199,723,987,577,293.41 - Step 5: Solve for x
x = 199,723,987,577,293.41/15,274,263.59 - Step 6: Final answer
x = 13,075,850.53
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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.