Finding the Fourth Proportional to 29,034,859.86, 40,067,802.63 and 15,981,838.65
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Solution
The fourth proportional to 29,034,859.86, 40,067,802.63 and 15,981,838.65 is: 22,054,770.02
Step by Step Solution
- Step 1: Write the proportion equation
29,034,859.86 : 40,067,802.63 = 15,981,838.65 : x - Step 2: Convert to fraction form
29,034,859.86/40,067,802.63 = 15,981,838.65/x - Step 3: Cross multiply
29,034,859.86x = 40,067,802.63 × 15,981,838.65 - Step 4: Simplify right side
29,034,859.86x = 640,357,156,692,705.75 - Step 5: Solve for x
x = 640,357,156,692,705.75/29,034,859.86 - Step 6: Final answer
x = 22,054,770.02
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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.