Finding the Fourth Proportional to 38,554,561.30, 57,830,201.70 and 12,995,529.70
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Solution
The fourth proportional to 38,554,561.30, 57,830,201.70 and 12,995,529.70 is: 19,492,741.67
Step by Step Solution
- Step 1: Write the proportion equation
38,554,561.30 : 57,830,201.70 = 12,995,529.70 : x - Step 2: Convert to fraction form
38,554,561.30/57,830,201.70 = 12,995,529.70/x - Step 3: Cross multiply
38,554,561.30x = 57,830,201.70 × 12,995,529.70 - Step 4: Simplify right side
38,554,561.30x = 751,534,103,749,340.50 - Step 5: Solve for x
x = 751,534,103,749,340.50/38,554,561.30 - Step 6: Final answer
x = 19,492,741.67
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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.