Finding the Fourth Proportional to 22,172,517.30, 33,258,775.95 and 18,440,037.30
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Solution
The fourth proportional to 22,172,517.30, 33,258,775.95 and 18,440,037.30 is: 27,660,055.95
Step by Step Solution
- Step 1: Write the proportion equation
22,172,517.30 : 33,258,775.95 = 18,440,037.30 : x - Step 2: Convert to fraction form
22,172,517.30/33,258,775.95 = 18,440,037.30/x - Step 3: Cross multiply
22,172,517.30x = 33,258,775.95 × 18,440,037.30 - Step 4: Simplify right side
22,172,517.30x = 613,293,069,070,343 - Step 5: Solve for x
x = 613,293,069,070,343/22,172,517.30 - Step 6: Final answer
x = 27,660,055.95
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Similar ratio
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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.