Finding the Fourth Proportional to 29,847,777.40, 44,749,547.70 and 20,239,175.80
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Solution
The fourth proportional to 29,847,777.40, 44,749,547.70 and 20,239,175.80 is: 30,343,765.66
Step by Step Solution
- Step 1: Write the proportion equation
29,847,777.40 : 44,749,547.70 = 20,239,175.80 : x - Step 2: Convert to fraction form
29,847,777.40/44,749,547.70 = 20,239,175.80/x - Step 3: Cross multiply
29,847,777.40x = 44,749,547.70 × 20,239,175.80 - Step 4: Simplify right side
29,847,777.40x = 905,693,962,870,785.75 - Step 5: Solve for x
x = 905,693,962,870,785.75/29,847,777.40 - Step 6: Final answer
x = 30,343,765.66
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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.