Finding the Fourth Proportional to 26,288,452.16, 39,397,430.46 and 20,459,676.08
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Solution
The fourth proportional to 26,288,452.16, 39,397,430.46 and 20,459,676.08 is: 30,662,081.61
Step by Step Solution
- Step 1: Write the proportion equation
26,288,452.16 : 39,397,430.46 = 20,459,676.08 : x - Step 2: Convert to fraction form
26,288,452.16/39,397,430.46 = 20,459,676.08/x - Step 3: Cross multiply
26,288,452.16x = 39,397,430.46 × 20,459,676.08 - Step 4: Simplify right side
26,288,452.16x = 806,058,665,595,925.38 - Step 5: Solve for x
x = 806,058,665,595,925.38/26,288,452.16 - Step 6: Final answer
x = 30,662,081.61
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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.