Finding the Fourth Proportional to 15,539,404.80, 23,309,107.20 and 14,593,843.20
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Solution
The fourth proportional to 15,539,404.80, 23,309,107.20 and 14,593,843.20 is: 21,890,764.80
Step by Step Solution
- Step 1: Write the proportion equation
15,539,404.80 : 23,309,107.20 = 14,593,843.20 : x - Step 2: Convert to fraction form
15,539,404.80/23,309,107.20 = 14,593,843.20/x - Step 3: Cross multiply
15,539,404.80x = 23,309,107.20 × 14,593,843.20 - Step 4: Simplify right side
15,539,404.80x = 340,169,455,608,791 - Step 5: Solve for x
x = 340,169,455,608,791/15,539,404.80 - Step 6: Final answer
x = 21,890,764.80
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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.