Finding the Fourth Proportional to 34,146,412.20, 51,201,903.60 and 12,569,907.60
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Solution
The fourth proportional to 34,146,412.20, 51,201,903.60 and 12,569,907.60 is: 18,848,340.30
Step by Step Solution
- Step 1: Write the proportion equation
34,146,412.20 : 51,201,903.60 = 12,569,907.60 : x - Step 2: Convert to fraction form
34,146,412.20/51,201,903.60 = 12,569,907.60/x - Step 3: Cross multiply
34,146,412.20x = 51,201,903.60 × 12,569,907.60 - Step 4: Simplify right side
34,146,412.20x = 643,603,197,196,107.38 - Step 5: Solve for x
x = 643,603,197,196,107.38/34,146,412.20 - Step 6: Final answer
x = 18,848,340.30
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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.