Finding the Fourth Proportional to 27,679,471.74, 38,197,519.11 and 15,290,418.06
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Solution
The fourth proportional to 27,679,471.74, 38,197,519.11 and 15,290,418.06 is: 21,100,693.02
Step by Step Solution
- Step 1: Write the proportion equation
27,679,471.74 : 38,197,519.11 = 15,290,418.06 : x - Step 2: Convert to fraction form
27,679,471.74/38,197,519.11 = 15,290,418.06/x - Step 3: Cross multiply
27,679,471.74x = 38,197,519.11 × 15,290,418.06 - Step 4: Simplify right side
27,679,471.74x = 584,056,036,046,739.12 - Step 5: Solve for x
x = 584,056,036,046,739.12/27,679,471.74 - Step 6: Final answer
x = 21,100,693.02
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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.