Finding the Fourth Proportional to 16,128,682.40, 24,193,023.60 and 7,170,730.40
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Solution
The fourth proportional to 16,128,682.40, 24,193,023.60 and 7,170,730.40 is: 10,756,095.60
Step by Step Solution
- Step 1: Write the proportion equation
16,128,682.40 : 24,193,023.60 = 7,170,730.40 : x - Step 2: Convert to fraction form
16,128,682.40/24,193,023.60 = 7,170,730.40/x - Step 3: Cross multiply
16,128,682.40x = 24,193,023.60 × 7,170,730.40 - Step 4: Simplify right side
16,128,682.40x = 173,481,649,796,437.47 - Step 5: Solve for x
x = 173,481,649,796,437.47/16,128,682.40 - Step 6: Final answer
x = 10,756,095.60
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1.5x scale
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.