Finding the Fourth Proportional to 25,859,257.99, 38,794,563.47 and 7,664,856.55
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Solution
The fourth proportional to 25,859,257.99, 38,794,563.47 and 7,664,856.55 is: 11,498,967.37
Step by Step Solution
- Step 1: Write the proportion equation
25,859,257.99 : 38,794,563.47 = 7,664,856.55 : x - Step 2: Convert to fraction form
25,859,257.99/38,794,563.47 = 7,664,856.55/x - Step 3: Cross multiply
25,859,257.99x = 38,794,563.47 × 7,664,856.55 - Step 4: Simplify right side
25,859,257.99x = 297,354,763,879,095.94 - Step 5: Solve for x
x = 297,354,763,879,095.94/25,859,257.99 - Step 6: Final answer
x = 11,498,967.37
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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.