Finding the Fourth Proportional to 25,571,852.12, 38,358,110.34 and 8,532,525.06
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Solution
The fourth proportional to 25,571,852.12, 38,358,110.34 and 8,532,525.06 is: 12,798,898.42
Step by Step Solution
- Step 1: Write the proportion equation
25,571,852.12 : 38,358,110.34 = 8,532,525.06 : x - Step 2: Convert to fraction form
25,571,852.12/38,358,110.34 = 8,532,525.06/x - Step 3: Cross multiply
25,571,852.12x = 38,358,110.34 × 8,532,525.06 - Step 4: Simplify right side
25,571,852.12x = 327,291,537,730,295.19 - Step 5: Solve for x
x = 327,291,537,730,295.19/25,571,852.12 - Step 6: Final answer
x = 12,798,898.42
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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.