Finding the Fourth Proportional to 37,972,994.62, 52,402,984.20 and 20,569,339.84
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Solution
The fourth proportional to 37,972,994.62, 52,402,984.20 and 20,569,339.84 is: 28,385,825.28
Step by Step Solution
- Step 1: Write the proportion equation
37,972,994.62 : 52,402,984.20 = 20,569,339.84 : x - Step 2: Convert to fraction form
37,972,994.62/52,402,984.20 = 20,569,339.84/x - Step 3: Cross multiply
37,972,994.62x = 52,402,984.20 × 20,569,339.84 - Step 4: Simplify right side
37,972,994.62x = 1,077,894,790,639,950.62 - Step 5: Solve for x
x = 1,077,894,790,639,950.62/37,972,994.62 - Step 6: Final answer
x = 28,385,825.28
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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.