Finding the Fourth Proportional to 38,498,671.72, 53,124,634.02 and 22,197,998.44
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Solution
The fourth proportional to 38,498,671.72, 53,124,634.02 and 22,197,998.44 is: 30,631,200.78
Step by Step Solution
- Step 1: Write the proportion equation
38,498,671.72 : 53,124,634.02 = 22,197,998.44 : x - Step 2: Convert to fraction form
38,498,671.72/53,124,634.02 = 22,197,998.44/x - Step 3: Cross multiply
38,498,671.72x = 53,124,634.02 × 22,197,998.44 - Step 4: Simplify right side
38,498,671.72x = 1,179,260,543,101,531 - Step 5: Solve for x
x = 1,179,260,543,101,531/38,498,671.72 - Step 6: Final answer
x = 30,631,200.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.