Finding the Fourth Proportional to 8,251,395.84, 11,387,122.56 and 4,629,991.68
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Solution
The fourth proportional to 8,251,395.84, 11,387,122.56 and 4,629,991.68 is: 6,389,498.67
Step by Step Solution
- Step 1: Write the proportion equation
8,251,395.84 : 11,387,122.56 = 4,629,991.68 : x - Step 2: Convert to fraction form
8,251,395.84/11,387,122.56 = 4,629,991.68/x - Step 3: Cross multiply
8,251,395.84x = 11,387,122.56 × 4,629,991.68 - Step 4: Simplify right side
8,251,395.84x = 52,722,282,711,940.30 - Step 5: Solve for x
x = 52,722,282,711,940.30/8,251,395.84 - Step 6: Final answer
x = 6,389,498.67
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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.