Finding the Fourth Proportional to 39,841,302.84, 54,979,546.38 and 22,199,293.85
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Solution
The fourth proportional to 39,841,302.84, 54,979,546.38 and 22,199,293.85 is: 30,634,216.72
Step by Step Solution
- Step 1: Write the proportion equation
39,841,302.84 : 54,979,546.38 = 22,199,293.85 : x - Step 2: Convert to fraction form
39,841,302.84/54,979,546.38 = 22,199,293.85/x - Step 3: Cross multiply
39,841,302.84x = 54,979,546.38 × 22,199,293.85 - Step 4: Simplify right side
39,841,302.84x = 1,220,507,105,554,426 - Step 5: Solve for x
x = 1,220,507,105,554,426/39,841,302.84 - Step 6: Final answer
x = 30,634,216.72
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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.