Finding the Fourth Proportional to 10,352,823.70, 15,529,235.55 and 9,722,967.70
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Solution
The fourth proportional to 10,352,823.70, 15,529,235.55 and 9,722,967.70 is: 14,584,451.55
Step by Step Solution
- Step 1: Write the proportion equation
10,352,823.70 : 15,529,235.55 = 9,722,967.70 : x - Step 2: Convert to fraction form
10,352,823.70/15,529,235.55 = 9,722,967.70/x - Step 3: Cross multiply
10,352,823.70x = 15,529,235.55 × 9,722,967.70 - Step 4: Simplify right side
10,352,823.70x = 150,990,255,658,341.72 - Step 5: Solve for x
x = 150,990,255,658,341.72/10,352,823.70 - Step 6: Final answer
x = 14,584,451.55
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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.