Finding the Fourth Proportional to 14,627,161.98, 20,186,137.98 and 8,012,215.98
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Solution
The fourth proportional to 14,627,161.98, 20,186,137.98 and 8,012,215.98 is: 11,057,216.53
Step by Step Solution
- Step 1: Write the proportion equation
14,627,161.98 : 20,186,137.98 = 8,012,215.98 : x - Step 2: Convert to fraction form
14,627,161.98/20,186,137.98 = 8,012,215.98/x - Step 3: Cross multiply
14,627,161.98x = 20,186,137.98 × 8,012,215.98 - Step 4: Simplify right side
14,627,161.98x = 161,735,697,320,818.91 - Step 5: Solve for x
x = 161,735,697,320,818.91/14,627,161.98 - Step 6: Final answer
x = 11,057,216.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.