Finding the Fourth Proportional to 45,751,604.68, 68,639,032.27 and 12,962,137.85
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Solution
The fourth proportional to 45,751,604.68, 68,639,032.27 and 12,962,137.85 is: 19,446,500.38
Step by Step Solution
- Step 1: Write the proportion equation
45,751,604.68 : 68,639,032.27 = 12,962,137.85 : x - Step 2: Convert to fraction form
45,751,604.68/68,639,032.27 = 12,962,137.85/x - Step 3: Cross multiply
45,751,604.68x = 68,639,032.27 × 12,962,137.85 - Step 4: Simplify right side
45,751,604.68x = 889,708,597,831,143.25 - Step 5: Solve for x
x = 889,708,597,831,143.25/45,751,604.68 - Step 6: Final answer
x = 19,446,500.38
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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.