Finding the Fourth Proportional to 19,724,337.35, 27,219,622.51 and 11,022,509.99
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Solution
The fourth proportional to 19,724,337.35, 27,219,622.51 and 11,022,509.99 is: 15,211,084.43
Step by Step Solution
- Step 1: Write the proportion equation
19,724,337.35 : 27,219,622.51 = 11,022,509.99 : x - Step 2: Convert to fraction form
19,724,337.35/27,219,622.51 = 11,022,509.99/x - Step 3: Cross multiply
19,724,337.35x = 27,219,622.51 × 11,022,509.99 - Step 4: Simplify right side
19,724,337.35x = 300,028,560,907,219.06 - Step 5: Solve for x
x = 300,028,560,907,219.06/19,724,337.35 - Step 6: Final answer
x = 15,211,084.43
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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.