Finding the Fourth Proportional to 10,368,076.05, 15,552,114.08 and 5,059,660.05
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Solution
The fourth proportional to 10,368,076.05, 15,552,114.08 and 5,059,660.05 is: 7,589,490.08
Step by Step Solution
- Step 1: Write the proportion equation
10,368,076.05 : 15,552,114.08 = 5,059,660.05 : x - Step 2: Convert to fraction form
10,368,076.05/15,552,114.08 = 5,059,660.05/x - Step 3: Cross multiply
10,368,076.05x = 15,552,114.08 × 5,059,660.05 - Step 4: Simplify right side
10,368,076.05x = 78,688,410,278,320.20 - Step 5: Solve for x
x = 78,688,410,278,320.20/10,368,076.05 - Step 6: Final answer
x = 7,589,490.08
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Double scale
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Similar ratio
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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.