Finding the Fourth Proportional to 14,148,554.88, 19,523,717.42 and 8,186,931.23
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Solution
The fourth proportional to 14,148,554.88, 19,523,717.42 and 8,186,931.23 is: 11,297,219.61
Step by Step Solution
- Step 1: Write the proportion equation
14,148,554.88 : 19,523,717.42 = 8,186,931.23 : x - Step 2: Convert to fraction form
14,148,554.88/19,523,717.42 = 8,186,931.23/x - Step 3: Cross multiply
14,148,554.88x = 19,523,717.42 × 8,186,931.23 - Step 4: Simplify right side
14,148,554.88x = 159,839,331,732,939.78 - Step 5: Solve for x
x = 159,839,331,732,939.78/14,148,554.88 - Step 6: Final answer
x = 11,297,219.61
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1.5x scale
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.