Finding the Fourth Proportional to 21,608,901.97, 32,413,408.32 and 8,829,406.65
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Solution
The fourth proportional to 21,608,901.97, 32,413,408.32 and 8,829,406.65 is: 13,244,132.60
Step by Step Solution
- Step 1: Write the proportion equation
21,608,901.97 : 32,413,408.32 = 8,829,406.65 : x - Step 2: Convert to fraction form
21,608,901.97/32,413,408.32 = 8,829,406.65/x - Step 3: Cross multiply
21,608,901.97x = 32,413,408.32 × 8,829,406.65 - Step 4: Simplify right side
21,608,901.97x = 286,191,162,969,773.31 - Step 5: Solve for x
x = 286,191,162,969,773.31/21,608,901.97 - Step 6: Final answer
x = 13,244,132.60
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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.