Finding the Fourth Proportional to 30,599,011.07, 42,227,671.66 and 16,660,906.73
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Solution
The fourth proportional to 30,599,011.07, 42,227,671.66 and 16,660,906.73 is: 22,992,615.59
Step by Step Solution
- Step 1: Write the proportion equation
30,599,011.07 : 42,227,671.66 = 16,660,906.73 : x - Step 2: Convert to fraction form
30,599,011.07/42,227,671.66 = 16,660,906.73/x - Step 3: Cross multiply
30,599,011.07x = 42,227,671.66 × 16,660,906.73 - Step 4: Simplify right side
30,599,011.07x = 703,551,298,952,324.25 - Step 5: Solve for x
x = 703,551,298,952,324.25/30,599,011.07 - Step 6: Final answer
x = 22,992,615.59
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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.