Finding the Fourth Proportional to 10,639,469.40, 14,682,830.10 and 6,292,282.02
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Solution
The fourth proportional to 10,639,469.40, 14,682,830.10 and 6,292,282.02 is: 8,683,563.47
Step by Step Solution
- Step 1: Write the proportion equation
10,639,469.40 : 14,682,830.10 = 6,292,282.02 : x - Step 2: Convert to fraction form
10,639,469.40/14,682,830.10 = 6,292,282.02/x - Step 3: Cross multiply
10,639,469.40x = 14,682,830.10 × 6,292,282.02 - Step 4: Simplify right side
10,639,469.40x = 92,388,507,840,944.80 - Step 5: Solve for x
x = 92,388,507,840,944.80/10,639,469.40 - Step 6: Final answer
x = 8,683,563.47
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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.