Finding the Fourth Proportional to 18,963,770.59, 26,160,363.25 and 11,519,457.53
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Solution
The fourth proportional to 18,963,770.59, 26,160,363.25 and 11,519,457.53 is: 15,890,995.52
Step by Step Solution
- Step 1: Write the proportion equation
18,963,770.59 : 26,160,363.25 = 11,519,457.53 : x - Step 2: Convert to fraction form
18,963,770.59/26,160,363.25 = 11,519,457.53/x - Step 3: Cross multiply
18,963,770.59x = 26,160,363.25 × 11,519,457.53 - Step 4: Simplify right side
18,963,770.59x = 301,353,193,427,747.75 - Step 5: Solve for x
x = 301,353,193,427,747.75/18,963,770.59 - Step 6: Final answer
x = 15,890,995.52
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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.