Finding the Fourth Proportional to 32,406,615.40, 48,544,604.70 and 20,238,730.60
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Solution
The fourth proportional to 32,406,615.40, 48,544,604.70 and 20,238,730.60 is: 30,317,302.95
Step by Step Solution
- Step 1: Write the proportion equation
32,406,615.40 : 48,544,604.70 = 20,238,730.60 : x - Step 2: Convert to fraction form
32,406,615.40/48,544,604.70 = 20,238,730.60/x - Step 3: Cross multiply
32,406,615.40x = 48,544,604.70 × 20,238,730.60 - Step 4: Simplify right side
32,406,615.40x = 982,481,176,606,794 - Step 5: Solve for x
x = 982,481,176,606,794/32,406,615.40 - Step 6: Final answer
x = 30,317,302.95
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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.