Finding the Fourth Proportional to 39,278,367.74, 54,210,743.49 and 22,768,819.58
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Solution
The fourth proportional to 39,278,367.74, 54,210,743.49 and 22,768,819.58 is: 31,424,794.58
Step by Step Solution
- Step 1: Write the proportion equation
39,278,367.74 : 54,210,743.49 = 22,768,819.58 : x - Step 2: Convert to fraction form
39,278,367.74/54,210,743.49 = 22,768,819.58/x - Step 3: Cross multiply
39,278,367.74x = 54,210,743.49 × 22,768,819.58 - Step 4: Simplify right side
39,278,367.74x = 1,234,314,637,821,469.50 - Step 5: Solve for x
x = 1,234,314,637,821,469.50/39,278,367.74 - Step 6: Final answer
x = 31,424,794.58
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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.