Finding the Fourth Proportional to 32,186,964.66, 44,416,659.12 and 18,249,257.40
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Solution
The fourth proportional to 32,186,964.66, 44,416,659.12 and 18,249,257.40 is: 25,183,208.60
Step by Step Solution
- Step 1: Write the proportion equation
32,186,964.66 : 44,416,659.12 = 18,249,257.40 : x - Step 2: Convert to fraction form
32,186,964.66/44,416,659.12 = 18,249,257.40/x - Step 3: Cross multiply
32,186,964.66x = 44,416,659.12 × 18,249,257.40 - Step 4: Simplify right side
32,186,964.66x = 810,571,045,128,937.38 - Step 5: Solve for x
x = 810,571,045,128,937.38/32,186,964.66 - Step 6: Final answer
x = 25,183,208.60
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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.