Finding the Fourth Proportional to 10,771,240.40, 16,148,825.40 and 6,510,510.80
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Solution
The fourth proportional to 10,771,240.40, 16,148,825.40 and 6,510,510.80 is: 9,760,909.45
Step by Step Solution
- Step 1: Write the proportion equation
10,771,240.40 : 16,148,825.40 = 6,510,510.80 : x - Step 2: Convert to fraction form
10,771,240.40/16,148,825.40 = 6,510,510.80/x - Step 3: Cross multiply
10,771,240.40x = 16,148,825.40 × 6,510,510.80 - Step 4: Simplify right side
10,771,240.40x = 105,137,102,174,014.31 - Step 5: Solve for x
x = 105,137,102,174,014.31/10,771,240.40 - Step 6: Final answer
x = 9,760,909.45
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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.