Finding the Fourth Proportional to 40,220,894.79, 60,349,896.84 and 18,367,973.21
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Solution
The fourth proportional to 40,220,894.79, 60,349,896.84 and 18,367,973.21 is: 27,560,433.31
Step by Step Solution
- Step 1: Write the proportion equation
40,220,894.79 : 60,349,896.84 = 18,367,973.21 : x - Step 2: Convert to fraction form
40,220,894.79/60,349,896.84 = 18,367,973.21/x - Step 3: Cross multiply
40,220,894.79x = 60,349,896.84 × 18,367,973.21 - Step 4: Simplify right side
40,220,894.79x = 1,108,505,288,383,383.75 - Step 5: Solve for x
x = 1,108,505,288,383,383.75/40,220,894.79 - Step 6: Final answer
x = 27,560,433.31
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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.