Finding the Fourth Proportional to 19,474,373.92, 29,214,217.96 and 8,112,165.34
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Solution
The fourth proportional to 19,474,373.92, 29,214,217.96 and 8,112,165.34 is: 12,169,354.83
Step by Step Solution
- Step 1: Write the proportion equation
19,474,373.92 : 29,214,217.96 = 8,112,165.34 : x - Step 2: Convert to fraction form
19,474,373.92/29,214,217.96 = 8,112,165.34/x - Step 3: Cross multiply
19,474,373.92x = 29,214,217.96 × 8,112,165.34 - Step 4: Simplify right side
19,474,373.92x = 236,990,566,370,317.50 - Step 5: Solve for x
x = 236,990,566,370,317.50/19,474,373.92 - Step 6: Final answer
x = 12,169,354.83
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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.