Finding the Fourth Proportional to 48,917,449.13, 67,506,938.19 and 26,891,876.88
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Solution
The fourth proportional to 48,917,449.13, 67,506,938.19 and 26,891,876.88 is: 37,111,261.99
Step by Step Solution
- Step 1: Write the proportion equation
48,917,449.13 : 67,506,938.19 = 26,891,876.88 : x - Step 2: Convert to fraction form
48,917,449.13/67,506,938.19 = 26,891,876.88/x - Step 3: Cross multiply
48,917,449.13x = 67,506,938.19 × 26,891,876.88 - Step 4: Simplify right side
48,917,449.13x = 1,815,388,270,351,250 - Step 5: Solve for x
x = 1,815,388,270,351,250/48,917,449.13 - Step 6: Final answer
x = 37,111,261.99
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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.