Finding the Fourth Proportional to 10,364,101.80, 15,546,152.70 and 4,969,975.65
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Solution
The fourth proportional to 10,364,101.80, 15,546,152.70 and 4,969,975.65 is: 7,454,963.48
Step by Step Solution
- Step 1: Write the proportion equation
10,364,101.80 : 15,546,152.70 = 4,969,975.65 : x - Step 2: Convert to fraction form
10,364,101.80/15,546,152.70 = 4,969,975.65/x - Step 3: Cross multiply
10,364,101.80x = 15,546,152.70 × 4,969,975.65 - Step 4: Simplify right side
10,364,101.80x = 77,264,000,370,181.75 - Step 5: Solve for x
x = 77,264,000,370,181.75/10,364,101.80 - Step 6: Final answer
x = 7,454,963.48
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1.5x scale
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.