Finding the Fourth Proportional to 43,720,578.22, 65,580,859.13 and 13,015,606.70
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Solution
The fourth proportional to 43,720,578.22, 65,580,859.13 and 13,015,606.70 is: 19,523,407.61
Step by Step Solution
- Step 1: Write the proportion equation
43,720,578.22 : 65,580,859.13 = 13,015,606.70 : x - Step 2: Convert to fraction form
43,720,578.22/65,580,859.13 = 13,015,606.70/x - Step 3: Cross multiply
43,720,578.22x = 65,580,859.13 × 13,015,606.70 - Step 4: Simplify right side
43,720,578.22x = 853,574,669,484,184.12 - Step 5: Solve for x
x = 853,574,669,484,184.12/43,720,578.22 - Step 6: Final answer
x = 19,523,407.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.