Finding the Fourth Proportional to 39,553,721.40, 59,348,296.80 and 17,977,216.80
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Solution
The fourth proportional to 39,553,721.40, 59,348,296.80 and 17,977,216.80 is: 26,973,876.55
Step by Step Solution
- Step 1: Write the proportion equation
39,553,721.40 : 59,348,296.80 = 17,977,216.80 : x - Step 2: Convert to fraction form
39,553,721.40/59,348,296.80 = 17,977,216.80/x - Step 3: Cross multiply
39,553,721.40x = 59,348,296.80 × 17,977,216.80 - Step 4: Simplify right side
39,553,721.40x = 1,066,917,198,284,346.25 - Step 5: Solve for x
x = 1,066,917,198,284,346.25/39,553,721.40 - Step 6: Final answer
x = 26,973,876.55
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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.