Finding the Fourth Proportional to 29,237,551.20, 43,859,091.60 and 7,962,415.20
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Solution
The fourth proportional to 29,237,551.20, 43,859,091.60 and 7,962,415.20 is: 11,944,375.75
Step by Step Solution
- Step 1: Write the proportion equation
29,237,551.20 : 43,859,091.60 = 7,962,415.20 : x - Step 2: Convert to fraction form
29,237,551.20/43,859,091.60 = 7,962,415.20/x - Step 3: Cross multiply
29,237,551.20x = 43,859,091.60 × 7,962,415.20 - Step 4: Simplify right side
29,237,551.20x = 349,224,297,614,032.31 - Step 5: Solve for x
x = 349,224,297,614,032.31/29,237,551.20 - Step 6: Final answer
x = 11,944,375.75
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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.