Finding the Fourth Proportional to 38,637,055.80, 57,955,583.70 and 27,299,647.80
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Solution
The fourth proportional to 38,637,055.80, 57,955,583.70 and 27,299,647.80 is: 40,949,471.70
Step by Step Solution
- Step 1: Write the proportion equation
38,637,055.80 : 57,955,583.70 = 27,299,647.80 : x - Step 2: Convert to fraction form
38,637,055.80/57,955,583.70 = 27,299,647.80/x - Step 3: Cross multiply
38,637,055.80x = 57,955,583.70 × 27,299,647.80 - Step 4: Simplify right side
38,637,055.80x = 1,582,167,023,053,421 - Step 5: Solve for x
x = 1,582,167,023,053,421/38,637,055.80 - Step 6: Final answer
x = 40,949,471.70
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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.