Finding the Fourth Proportional to 32,940,580.68, 45,458,005.57 and 18,257,194.91
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Solution
The fourth proportional to 32,940,580.68, 45,458,005.57 and 18,257,194.91 is: 25,194,931.32
Step by Step Solution
- Step 1: Write the proportion equation
32,940,580.68 : 45,458,005.57 = 18,257,194.91 : x - Step 2: Convert to fraction form
32,940,580.68/45,458,005.57 = 18,257,194.91/x - Step 3: Cross multiply
32,940,580.68x = 45,458,005.57 × 18,257,194.91 - Step 4: Simplify right side
32,940,580.68x = 829,935,667,979,357.75 - Step 5: Solve for x
x = 829,935,667,979,357.75/32,940,580.68 - Step 6: Final answer
x = 25,194,931.32
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1.5x scale
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.