Finding the Fourth Proportional to 39,018,403.24, 53,722,549.68 and 33,126,383.40
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Solution
The fourth proportional to 39,018,403.24, 53,722,549.68 and 33,126,383.40 is: 45,610,112.92
Step by Step Solution
- Step 1: Write the proportion equation
39,018,403.24 : 53,722,549.68 = 33,126,383.40 : x - Step 2: Convert to fraction form
39,018,403.24/53,722,549.68 = 33,126,383.40/x - Step 3: Cross multiply
39,018,403.24x = 53,722,549.68 × 33,126,383.40 - Step 4: Simplify right side
39,018,403.24x = 1,779,633,777,925,227.25 - Step 5: Solve for x
x = 1,779,633,777,925,227.25/39,018,403.24 - Step 6: Final answer
x = 45,610,112.92
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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.