Finding the Fourth Proportional to 19,251,169.92, 28,875,311.46 and 5,604,421.14
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Solution
The fourth proportional to 19,251,169.92, 28,875,311.46 and 5,604,421.14 is: 8,406,211.50
Step by Step Solution
- Step 1: Write the proportion equation
19,251,169.92 : 28,875,311.46 = 5,604,421.14 : x - Step 2: Convert to fraction form
19,251,169.92/28,875,311.46 = 5,604,421.14/x - Step 3: Cross multiply
19,251,169.92x = 28,875,311.46 × 5,604,421.14 - Step 4: Simplify right side
19,251,169.92x = 161,829,405,970,508.25 - Step 5: Solve for x
x = 161,829,405,970,508.25/19,251,169.92 - Step 6: Final answer
x = 8,406,211.50
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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.