Finding the Fourth Proportional to 18,983,744.15, 26,199,696.18 and 10,724,338.47
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Solution
The fourth proportional to 18,983,744.15, 26,199,696.18 and 10,724,338.47 is: 14,800,789.95
Step by Step Solution
- Step 1: Write the proportion equation
18,983,744.15 : 26,199,696.18 = 10,724,338.47 : x - Step 2: Convert to fraction form
18,983,744.15/26,199,696.18 = 10,724,338.47/x - Step 3: Cross multiply
18,983,744.15x = 26,199,696.18 × 10,724,338.47 - Step 4: Simplify right side
18,983,744.15x = 280,974,409,645,486.06 - Step 5: Solve for x
x = 280,974,409,645,486.06/18,983,744.15 - Step 6: Final answer
x = 14,800,789.95
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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.