Finding the Fourth Proportional to 7,395,128.10, 11,091,817.35 and 2,003,444.10
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Solution
The fourth proportional to 7,395,128.10, 11,091,817.35 and 2,003,444.10 is: 3,004,929.15
Step by Step Solution
- Step 1: Write the proportion equation
7,395,128.10 : 11,091,817.35 = 2,003,444.10 : x - Step 2: Convert to fraction form
7,395,128.10/11,091,817.35 = 2,003,444.10/x - Step 3: Cross multiply
7,395,128.10x = 11,091,817.35 × 2,003,444.10 - Step 4: Simplify right side
7,395,128.10x = 22,221,836,028,135.14 - Step 5: Solve for x
x = 22,221,836,028,135.14/7,395,128.10 - Step 6: Final answer
x = 3,004,929.15
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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.