Finding the Fourth Proportional to 13,149,112.28, 19,723,668.42 and 3,564,241.70
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Solution
The fourth proportional to 13,149,112.28, 19,723,668.42 and 3,564,241.70 is: 5,346,362.55
Step by Step Solution
- Step 1: Write the proportion equation
13,149,112.28 : 19,723,668.42 = 3,564,241.70 : x - Step 2: Convert to fraction form
13,149,112.28/19,723,668.42 = 3,564,241.70/x - Step 3: Cross multiply
13,149,112.28x = 19,723,668.42 × 3,564,241.70 - Step 4: Simplify right side
13,149,112.28x = 70,299,921,459,537.12 - Step 5: Solve for x
x = 70,299,921,459,537.12/13,149,112.28 - Step 6: Final answer
x = 5,346,362.55
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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.