Finding the Fourth Proportional to 16,387,998.90, 24,581,998.35 and 11,286,165.30
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Solution
The fourth proportional to 16,387,998.90, 24,581,998.35 and 11,286,165.30 is: 16,929,247.95
Step by Step Solution
- Step 1: Write the proportion equation
16,387,998.90 : 24,581,998.35 = 11,286,165.30 : x - Step 2: Convert to fraction form
16,387,998.90/24,581,998.35 = 11,286,165.30/x - Step 3: Cross multiply
16,387,998.90x = 24,581,998.35 × 11,286,165.30 - Step 4: Simplify right side
16,387,998.90x = 277,436,496,782,427.28 - Step 5: Solve for x
x = 277,436,496,782,427.28/16,387,998.90 - Step 6: Final answer
x = 16,929,247.95
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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.