Finding the Fourth Proportional to 10,378,606.82, 15,569,398.87 and 3,190,744.31
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Solution
The fourth proportional to 10,378,606.82, 15,569,398.87 and 3,190,744.31 is: 4,786,574.12
Step by Step Solution
- Step 1: Write the proportion equation
10,378,606.82 : 15,569,398.87 = 3,190,744.31 : x - Step 2: Convert to fraction form
10,378,606.82/15,569,398.87 = 3,190,744.31/x - Step 3: Cross multiply
10,378,606.82x = 15,569,398.87 × 3,190,744.31 - Step 4: Simplify right side
10,378,606.82x = 49,677,970,768,749.08 - Step 5: Solve for x
x = 49,677,970,768,749.08/10,378,606.82 - Step 6: Final answer
x = 4,786,574.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.