Finding the Fourth Proportional to 41,984,393.79, 62,977,587.12 and 11,279,012.20
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Solution
The fourth proportional to 41,984,393.79, 62,977,587.12 and 11,279,012.20 is: 16,918,785.99
Step by Step Solution
- Step 1: Write the proportion equation
41,984,393.79 : 62,977,587.12 = 11,279,012.20 : x - Step 2: Convert to fraction form
41,984,393.79/62,977,587.12 = 11,279,012.20/x - Step 3: Cross multiply
41,984,393.79x = 62,977,587.12 × 11,279,012.20 - Step 4: Simplify right side
41,984,393.79x = 710,324,973,453,042.75 - Step 5: Solve for x
x = 710,324,973,453,042.75/41,984,393.79 - Step 6: Final answer
x = 16,918,785.99
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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.