Finding the Fourth Proportional to 8,120,347.08, 12,181,081.14 and 2,363,128.44
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Solution
The fourth proportional to 8,120,347.08, 12,181,081.14 and 2,363,128.44 is: 3,544,855.78
Step by Step Solution
- Step 1: Write the proportion equation
8,120,347.08 : 12,181,081.14 = 2,363,128.44 : x - Step 2: Convert to fraction form
8,120,347.08/12,181,081.14 = 2,363,128.44/x - Step 3: Cross multiply
8,120,347.08x = 12,181,081.14 × 2,363,128.44 - Step 4: Simplify right side
8,120,347.08x = 28,785,459,271,881.62 - Step 5: Solve for x
x = 28,785,459,271,881.62/8,120,347.08 - Step 6: Final answer
x = 3,544,855.78
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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.