Finding the Fourth Proportional to 8,178,055.02, 11,285,793.06 and 4,507,103.97
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Solution
The fourth proportional to 8,178,055.02, 11,285,793.06 and 4,507,103.97 is: 6,219,845.99
Step by Step Solution
- Step 1: Write the proportion equation
8,178,055.02 : 11,285,793.06 = 4,507,103.97 : x - Step 2: Convert to fraction form
8,178,055.02/11,285,793.06 = 4,507,103.97/x - Step 3: Cross multiply
8,178,055.02x = 11,285,793.06 × 4,507,103.97 - Step 4: Simplify right side
8,178,055.02x = 50,866,242,705,324.45 - Step 5: Solve for x
x = 50,866,242,705,324.45/8,178,055.02 - Step 6: Final answer
x = 6,219,845.99
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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.