Finding the Fourth Proportional to 18,227,253.24, 25,153,615.92 and 10,386,541.13
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Solution
The fourth proportional to 18,227,253.24, 25,153,615.92 and 10,386,541.13 is: 14,333,430.43
Step by Step Solution
- Step 1: Write the proportion equation
18,227,253.24 : 25,153,615.92 = 10,386,541.13 : x - Step 2: Convert to fraction form
18,227,253.24/25,153,615.92 = 10,386,541.13/x - Step 3: Cross multiply
18,227,253.24x = 25,153,615.92 × 10,386,541.13 - Step 4: Simplify right side
18,227,253.24x = 261,259,066,195,534.72 - Step 5: Solve for x
x = 261,259,066,195,534.72/18,227,253.24 - Step 6: Final answer
x = 14,333,430.43
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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.