Finding the Fourth Proportional to 10,368,532.45, 15,552,798.68 and 3,181,175.65
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Solution
The fourth proportional to 10,368,532.45, 15,552,798.68 and 3,181,175.65 is: 4,771,763.48
Step by Step Solution
- Step 1: Write the proportion equation
10,368,532.45 : 15,552,798.68 = 3,181,175.65 : x - Step 2: Convert to fraction form
10,368,532.45/15,552,798.68 = 3,181,175.65/x - Step 3: Cross multiply
10,368,532.45x = 15,552,798.68 × 3,181,175.65 - Step 4: Simplify right side
10,368,532.45x = 49,476,184,450,168.14 - Step 5: Solve for x
x = 49,476,184,450,168.14/10,368,532.45 - Step 6: Final answer
x = 4,771,763.48
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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.