Finding the Fourth Proportional to 18,417,638.10, 27,573,313.05 and 16,291,874.10
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Solution
The fourth proportional to 18,417,638.10, 27,573,313.05 and 16,291,874.10 is: 24,390,800.94
Step by Step Solution
- Step 1: Write the proportion equation
18,417,638.10 : 27,573,313.05 = 16,291,874.10 : x - Step 2: Convert to fraction form
18,417,638.10/27,573,313.05 = 16,291,874.10/x - Step 3: Cross multiply
18,417,638.10x = 27,573,313.05 × 16,291,874.10 - Step 4: Simplify right side
18,417,638.10x = 449,220,944,730,487 - Step 5: Solve for x
x = 449,220,944,730,487/18,417,638.10 - Step 6: Final answer
x = 24,390,800.94
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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.