Finding the Fourth Proportional to 18,303,051.20, 25,259,808.51 and 10,044,707.18
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Solution
The fourth proportional to 18,303,051.20, 25,259,808.51 and 10,044,707.18 is: 13,862,572.80
Step by Step Solution
- Step 1: Write the proportion equation
18,303,051.20 : 25,259,808.51 = 10,044,707.18 : x - Step 2: Convert to fraction form
18,303,051.20/25,259,808.51 = 10,044,707.18/x - Step 3: Cross multiply
18,303,051.20x = 25,259,808.51 × 10,044,707.18 - Step 4: Simplify right side
18,303,051.20x = 253,727,379,853,930.38 - Step 5: Solve for x
x = 253,727,379,853,930.38/18,303,051.20 - Step 6: Final answer
x = 13,862,572.80
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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.