Finding the Fourth Proportional to 19,119,122.24, 26,372,334.24 and 11,378,384.96
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Solution
The fourth proportional to 19,119,122.24, 26,372,334.24 and 11,378,384.96 is: 15,694,997.27
Step by Step Solution
- Step 1: Write the proportion equation
19,119,122.24 : 26,372,334.24 = 11,378,384.96 : x - Step 2: Convert to fraction form
19,119,122.24/26,372,334.24 = 11,378,384.96/x - Step 3: Cross multiply
19,119,122.24x = 26,372,334.24 × 11,378,384.96 - Step 4: Simplify right side
19,119,122.24x = 300,074,571,276,509.06 - Step 5: Solve for x
x = 300,074,571,276,509.06/19,119,122.24 - Step 6: Final answer
x = 15,694,997.27
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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.