Finding the Fourth Proportional to 15,504,120.96, 23,261,069.16 and 7,306,432.05
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Solution
The fourth proportional to 15,504,120.96, 23,261,069.16 and 7,306,432.05 is: 10,961,951.45
Step by Step Solution
- Step 1: Write the proportion equation
15,504,120.96 : 23,261,069.16 = 7,306,432.05 : x - Step 2: Convert to fraction form
15,504,120.96/23,261,069.16 = 7,306,432.05/x - Step 3: Cross multiply
15,504,120.96x = 23,261,069.16 × 7,306,432.05 - Step 4: Simplify right side
15,504,120.96x = 169,955,421,227,890.56 - Step 5: Solve for x
x = 169,955,421,227,890.56/15,504,120.96 - Step 6: Final answer
x = 10,961,951.45
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1.5x scale
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.