Finding the Fourth Proportional to 48,293,798.12, 66,639,392.34 and 32,646,867.23
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Solution
The fourth proportional to 48,293,798.12, 66,639,392.34 and 32,646,867.23 is: 45,048,587.57
Step by Step Solution
- Step 1: Write the proportion equation
48,293,798.12 : 66,639,392.34 = 32,646,867.23 : x - Step 2: Convert to fraction form
48,293,798.12/66,639,392.34 = 32,646,867.23/x - Step 3: Cross multiply
48,293,798.12x = 66,639,392.34 × 32,646,867.23 - Step 4: Simplify right side
48,293,798.12x = 2,175,567,393,678,662.25 - Step 5: Solve for x
x = 2,175,567,393,678,662.25/48,293,798.12 - Step 6: Final answer
x = 45,048,587.57
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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.