Finding the Fourth Proportional to 45,406,441.18, 62,696,591.69 and 36,557,784.38
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Solution
The fourth proportional to 45,406,441.18, 62,696,591.69 and 36,557,784.38 is: 50,478,487.65
Step by Step Solution
- Step 1: Write the proportion equation
45,406,441.18 : 62,696,591.69 = 36,557,784.38 : x - Step 2: Convert to fraction form
45,406,441.18/62,696,591.69 = 36,557,784.38/x - Step 3: Cross multiply
45,406,441.18x = 62,696,591.69 × 36,557,784.38 - Step 4: Simplify right side
45,406,441.18x = 2,292,048,480,363,920 - Step 5: Solve for x
x = 2,292,048,480,363,920/45,406,441.18 - Step 6: Final answer
x = 50,478,487.65
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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.