Finding the Fourth Proportional to 20,824,380.04, 28,717,455.54 and 16,239,028.36
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Solution
The fourth proportional to 20,824,380.04, 28,717,455.54 and 16,239,028.36 is: 22,394,115.65
Step by Step Solution
- Step 1: Write the proportion equation
20,824,380.04 : 28,717,455.54 = 16,239,028.36 : x - Step 2: Convert to fraction form
20,824,380.04/28,717,455.54 = 16,239,028.36/x - Step 3: Cross multiply
20,824,380.04x = 28,717,455.54 × 16,239,028.36 - Step 4: Simplify right side
20,824,380.04x = 466,343,574,941,099.06 - Step 5: Solve for x
x = 466,343,574,941,099.06/20,824,380.04 - Step 6: Final answer
x = 22,394,115.65
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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.