Finding the Fourth Proportional to 12,283,321.83, 18,424,318.14 and 3,763,682.97
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Solution
The fourth proportional to 12,283,321.83, 18,424,318.14 and 3,763,682.97 is: 5,645,320.82
Step by Step Solution
- Step 1: Write the proportion equation
12,283,321.83 : 18,424,318.14 = 3,763,682.97 : x - Step 2: Convert to fraction form
12,283,321.83/18,424,318.14 = 3,763,682.97/x - Step 3: Cross multiply
12,283,321.83x = 18,424,318.14 × 3,763,682.97 - Step 4: Simplify right side
12,283,321.83x = 69,343,292,417,380.08 - Step 5: Solve for x
x = 69,343,292,417,380.08/12,283,321.83 - Step 6: Final answer
x = 5,645,320.82
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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.