Finding the Fourth Proportional to 19,659,803.88, 29,489,680.38 and 5,282,871.84
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Solution
The fourth proportional to 19,659,803.88, 29,489,680.38 and 5,282,871.84 is: 7,924,300.92
Step by Step Solution
- Step 1: Write the proportion equation
19,659,803.88 : 29,489,680.38 = 5,282,871.84 : x - Step 2: Convert to fraction form
19,659,803.88/29,489,680.38 = 5,282,871.84/x - Step 3: Cross multiply
19,659,803.88x = 29,489,680.38 × 5,282,871.84 - Step 4: Simplify right side
19,659,803.88x = 155,790,202,050,102.50 - Step 5: Solve for x
x = 155,790,202,050,102.50/19,659,803.88 - Step 6: Final answer
x = 7,924,300.92
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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.