Finding the Fourth Proportional to 15,691,244.70, 23,536,867.05 and 5,590,220.70
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Solution
The fourth proportional to 15,691,244.70, 23,536,867.05 and 5,590,220.70 is: 8,385,331.05
Step by Step Solution
- Step 1: Write the proportion equation
15,691,244.70 : 23,536,867.05 = 5,590,220.70 : x - Step 2: Convert to fraction form
15,691,244.70/23,536,867.05 = 5,590,220.70/x - Step 3: Cross multiply
15,691,244.70x = 23,536,867.05 × 5,590,220.70 - Step 4: Simplify right side
15,691,244.70x = 131,576,281,396,057.94 - Step 5: Solve for x
x = 131,576,281,396,057.94/15,691,244.70 - Step 6: Final answer
x = 8,385,331.05
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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.