Finding the Fourth Proportional to 36,400,873.48, 50,199,936.45 and 28,454,465.70
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Solution
The fourth proportional to 36,400,873.48, 50,199,936.45 and 28,454,465.70 is: 39,241,156.42
Step by Step Solution
- Step 1: Write the proportion equation
36,400,873.48 : 50,199,936.45 = 28,454,465.70 : x - Step 2: Convert to fraction form
36,400,873.48/50,199,936.45 = 28,454,465.70/x - Step 3: Cross multiply
36,400,873.48x = 50,199,936.45 × 28,454,465.70 - Step 4: Simplify right side
36,400,873.48x = 1,428,412,370,059,534 - Step 5: Solve for x
x = 1,428,412,370,059,534/36,400,873.48 - Step 6: Final answer
x = 39,241,156.42
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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.