Finding the Fourth Proportional to 27,181,817.80, 40,772,726.70 and 25,922,105.80
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Solution
The fourth proportional to 27,181,817.80, 40,772,726.70 and 25,922,105.80 is: 38,883,158.70
Step by Step Solution
- Step 1: Write the proportion equation
27,181,817.80 : 40,772,726.70 = 25,922,105.80 : x - Step 2: Convert to fraction form
27,181,817.80/40,772,726.70 = 25,922,105.80/x - Step 3: Cross multiply
27,181,817.80x = 40,772,726.70 × 25,922,105.80 - Step 4: Simplify right side
27,181,817.80x = 1,056,914,935,271,885 - Step 5: Solve for x
x = 1,056,914,935,271,885/27,181,817.80 - Step 6: Final answer
x = 38,883,158.70
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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.