Finding the Fourth Proportional to 10,639,463.40, 14,682,821.81 and 6,292,276.02
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Solution
The fourth proportional to 10,639,463.40, 14,682,821.81 and 6,292,276.02 is: 8,683,555.18
Step by Step Solution
- Step 1: Write the proportion equation
10,639,463.40 : 14,682,821.81 = 6,292,276.02 : x - Step 2: Convert to fraction form
10,639,463.40/14,682,821.81 = 6,292,276.02/x - Step 3: Cross multiply
10,639,463.40x = 14,682,821.81 × 6,292,276.02 - Step 4: Simplify right side
10,639,463.40x = 92,388,367,549,534.61 - Step 5: Solve for x
x = 92,388,367,549,534.61/10,639,463.40 - Step 6: Final answer
x = 8,683,555.18
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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.