Finding the Fourth Proportional to 54,627,519.50, 81,930,649.05 and 15,763,239.17
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Solution
The fourth proportional to 54,627,519.50, 81,930,649.05 and 15,763,239.17 is: 23,641,791.32
Step by Step Solution
- Step 1: Write the proportion equation
54,627,519.50 : 81,930,649.05 = 15,763,239.17 : x - Step 2: Convert to fraction form
54,627,519.50/81,930,649.05 = 15,763,239.17/x - Step 3: Cross multiply
54,627,519.50x = 81,930,649.05 × 15,763,239.17 - Step 4: Simplify right side
54,627,519.50x = 1,291,492,416,328,483.25 - Step 5: Solve for x
x = 1,291,492,416,328,483.25/54,627,519.50 - Step 6: Final answer
x = 23,641,791.32
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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.