Finding the Fourth Proportional to 12,348,767.08, 18,513,258.54 and 5,868,589.96
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Solution
The fourth proportional to 12,348,767.08, 18,513,258.54 and 5,868,589.96 is: 8,798,183.86
Step by Step Solution
- Step 1: Write the proportion equation
12,348,767.08 : 18,513,258.54 = 5,868,589.96 : x - Step 2: Convert to fraction form
12,348,767.08/18,513,258.54 = 5,868,589.96/x - Step 3: Cross multiply
12,348,767.08x = 18,513,258.54 × 5,868,589.96 - Step 4: Simplify right side
12,348,767.08x = 108,646,723,194,728.25 - Step 5: Solve for x
x = 108,646,723,194,728.25/12,348,767.08 - Step 6: Final answer
x = 8,798,183.86
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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.