Finding the Fourth Proportional to 35,209,285.20, 52,809,437.16 and 13,629,121.20
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Solution
The fourth proportional to 35,209,285.20, 52,809,437.16 and 13,629,121.20 is: 20,441,943.52
Step by Step Solution
- Step 1: Write the proportion equation
35,209,285.20 : 52,809,437.16 = 13,629,121.20 : x - Step 2: Convert to fraction form
35,209,285.20/52,809,437.16 = 13,629,121.20/x - Step 3: Cross multiply
35,209,285.20x = 52,809,437.16 × 13,629,121.20 - Step 4: Simplify right side
35,209,285.20x = 719,746,219,557,423.75 - Step 5: Solve for x
x = 719,746,219,557,423.75/35,209,285.20 - Step 6: Final answer
x = 20,441,943.52
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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.