Finding the Fourth Proportional to 14,082,199.92, 19,432,933.08 and 7,970,497.20
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Solution
The fourth proportional to 14,082,199.92, 19,432,933.08 and 7,970,497.20 is: 10,999,001.55
Step by Step Solution
- Step 1: Write the proportion equation
14,082,199.92 : 19,432,933.08 = 7,970,497.20 : x - Step 2: Convert to fraction form
14,082,199.92/19,432,933.08 = 7,970,497.20/x - Step 3: Cross multiply
14,082,199.92x = 19,432,933.08 × 7,970,497.20 - Step 4: Simplify right side
14,082,199.92x = 154,890,138,701,927.38 - Step 5: Solve for x
x = 154,890,138,701,927.38/14,082,199.92 - Step 6: Final answer
x = 10,999,001.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.