Finding the Fourth Proportional to 10,467,025.90, 14,442,378.20 and 6,115,271.74
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Solution
The fourth proportional to 10,467,025.90, 14,442,378.20 and 6,115,271.74 is: 8,437,837.85
Step by Step Solution
- Step 1: Write the proportion equation
10,467,025.90 : 14,442,378.20 = 6,115,271.74 : x - Step 2: Convert to fraction form
10,467,025.90/14,442,378.20 = 6,115,271.74/x - Step 3: Cross multiply
10,467,025.90x = 14,442,378.20 × 6,115,271.74 - Step 4: Simplify right side
10,467,025.90x = 88,319,067,264,852.06 - Step 5: Solve for x
x = 88,319,067,264,852.06/10,467,025.90 - Step 6: Final answer
x = 8,437,837.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.