Finding the Fourth Proportional to 10,771,232.40, 16,148,813.40 and 6,510,502.80
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Solution
The fourth proportional to 10,771,232.40, 16,148,813.40 and 6,510,502.80 is: 9,760,897.45
Step by Step Solution
- Step 1: Write the proportion equation
10,771,232.40 : 16,148,813.40 = 6,510,502.80 : x - Step 2: Convert to fraction form
10,771,232.40/16,148,813.40 = 6,510,502.80/x - Step 3: Cross multiply
10,771,232.40x = 16,148,813.40 × 6,510,502.80 - Step 4: Simplify right side
10,771,232.40x = 105,136,894,857,377.52 - Step 5: Solve for x
x = 105,136,894,857,377.52/10,771,232.40 - Step 6: Final answer
x = 9,760,897.45
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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.