Finding the Fourth Proportional to 47,307,617.60, 65,284,389.42 and 26,399,430.90
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Solution
The fourth proportional to 47,307,617.60, 65,284,389.42 and 26,399,430.90 is: 36,431,146.08
Step by Step Solution
- Step 1: Write the proportion equation
47,307,617.60 : 65,284,389.42 = 26,399,430.90 : x - Step 2: Convert to fraction form
47,307,617.60/65,284,389.42 = 26,399,430.90/x - Step 3: Cross multiply
47,307,617.60x = 65,284,389.42 × 26,399,430.90 - Step 4: Simplify right side
47,307,617.60x = 1,723,470,727,341,981 - Step 5: Solve for x
x = 1,723,470,727,341,981/47,307,617.60 - Step 6: Final answer
x = 36,431,146.08
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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.