Finding the Fourth Proportional to 19,351,961.92, 29,021,026.38 and 6,395,714.65
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Solution
The fourth proportional to 19,351,961.92, 29,021,026.38 and 6,395,714.65 is: 9,591,286.11
Step by Step Solution
- Step 1: Write the proportion equation
19,351,961.92 : 29,021,026.38 = 6,395,714.65 : x - Step 2: Convert to fraction form
19,351,961.92/29,021,026.38 = 6,395,714.65/x - Step 3: Cross multiply
19,351,961.92x = 29,021,026.38 × 6,395,714.65 - Step 4: Simplify right side
19,351,961.92x = 185,610,203,576,602.47 - Step 5: Solve for x
x = 185,610,203,576,602.47/19,351,961.92 - Step 6: Final answer
x = 9,591,286.11
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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.