Finding the Fourth Proportional to 8,135,354.02, 12,194,516.08 and 2,742,140.33
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Solution
The fourth proportional to 8,135,354.02, 12,194,516.08 and 2,742,140.33 is: 4,110,340.41
Step by Step Solution
- Step 1: Write the proportion equation
8,135,354.02 : 12,194,516.08 = 2,742,140.33 : x - Step 2: Convert to fraction form
8,135,354.02/12,194,516.08 = 2,742,140.33/x - Step 3: Cross multiply
8,135,354.02x = 12,194,516.08 × 2,742,140.33 - Step 4: Simplify right side
8,135,354.02x = 33,439,074,404,580.19 - Step 5: Solve for x
x = 33,439,074,404,580.19/8,135,354.02 - Step 6: Final answer
x = 4,110,340.41
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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.