Finding the Fourth Proportional to 32,591,920.70, 48,887,881.05 and 12,394,538.30
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Solution
The fourth proportional to 32,591,920.70, 48,887,881.05 and 12,394,538.30 is: 18,591,807.45
Step by Step Solution
- Step 1: Write the proportion equation
32,591,920.70 : 48,887,881.05 = 12,394,538.30 : x - Step 2: Convert to fraction form
32,591,920.70/48,887,881.05 = 12,394,538.30/x - Step 3: Cross multiply
32,591,920.70x = 48,887,881.05 × 12,394,538.30 - Step 4: Simplify right side
32,591,920.70x = 605,942,714,080,069.25 - Step 5: Solve for x
x = 605,942,714,080,069.25/32,591,920.70 - Step 6: Final answer
x = 18,591,807.45
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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.