Finding the Fourth Proportional to 8,059,968.40, 12,087,130.20 and 2,378,688.40
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Solution
The fourth proportional to 8,059,968.40, 12,087,130.20 and 2,378,688.40 is: 3,567,199.64
Step by Step Solution
- Step 1: Write the proportion equation
8,059,968.40 : 12,087,130.20 = 2,378,688.40 : x - Step 2: Convert to fraction form
8,059,968.40/12,087,130.20 = 2,378,688.40/x - Step 3: Cross multiply
8,059,968.40x = 12,087,130.20 × 2,378,688.40 - Step 4: Simplify right side
8,059,968.40x = 28,751,516,396,029.68 - Step 5: Solve for x
x = 28,751,516,396,029.68/8,059,968.40 - Step 6: Final answer
x = 3,567,199.64
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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.