Finding the Fourth Proportional to 8,020,392.38, 11,068,144.43 and 4,349,307.99
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Solution
The fourth proportional to 8,020,392.38, 11,068,144.43 and 4,349,307.99 is: 6,002,046.62
Step by Step Solution
- Step 1: Write the proportion equation
8,020,392.38 : 11,068,144.43 = 4,349,307.99 : x - Step 2: Convert to fraction form
8,020,392.38/11,068,144.43 = 4,349,307.99/x - Step 3: Cross multiply
8,020,392.38x = 11,068,144.43 × 4,349,307.99 - Step 4: Simplify right side
8,020,392.38x = 48,138,768,966,943.98 - Step 5: Solve for x
x = 48,138,768,966,943.98/8,020,392.38 - Step 6: Final answer
x = 6,002,046.62
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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.