Finding the Fourth Proportional to 39,278,373.06, 54,210,750.85 and 22,768,824.88
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Solution
The fourth proportional to 39,278,373.06, 54,210,750.85 and 22,768,824.88 is: 31,424,801.91
Step by Step Solution
- Step 1: Write the proportion equation
39,278,373.06 : 54,210,750.85 = 22,768,824.88 : x - Step 2: Convert to fraction form
39,278,373.06/54,210,750.85 = 22,768,824.88/x - Step 3: Cross multiply
39,278,373.06x = 54,210,750.85 × 22,768,824.88 - Step 4: Simplify right side
39,278,373.06x = 1,234,315,092,724,770.75 - Step 5: Solve for x
x = 1,234,315,092,724,770.75/39,278,373.06 - Step 6: Final answer
x = 31,424,801.91
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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.