Finding the Fourth Proportional to 13,292,160.99, 19,941,785.79 and 4,772,571.27
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Solution
The fourth proportional to 13,292,160.99, 19,941,785.79 and 4,772,571.27 is: 7,160,129.49
Step by Step Solution
- Step 1: Write the proportion equation
13,292,160.99 : 19,941,785.79 = 4,772,571.27 : x - Step 2: Convert to fraction form
13,292,160.99/19,941,785.79 = 4,772,571.27/x - Step 3: Cross multiply
13,292,160.99x = 19,941,785.79 × 4,772,571.27 - Step 4: Simplify right side
13,292,160.99x = 95,173,593,933,848.23 - Step 5: Solve for x
x = 95,173,593,933,848.23/13,292,160.99 - Step 6: Final answer
x = 7,160,129.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.