Finding the Fourth Proportional to 28,044,386, 38,701,252.68 and 15,167,330
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Solution
The fourth proportional to 28,044,386, 38,701,252.68 and 15,167,330 is: 20,930,915.40
Step by Step Solution
- Step 1: Write the proportion equation
28,044,386 : 38,701,252.68 = 15,167,330 : x - Step 2: Convert to fraction form
28,044,386/38,701,252.68 = 15,167,330/x - Step 3: Cross multiply
28,044,386x = 38,701,252.68 × 15,167,330 - Step 4: Simplify right side
28,044,386x = 586,994,670,810,944.38 - Step 5: Solve for x
x = 586,994,670,810,944.38/28,044,386 - Step 6: Final answer
x = 20,930,915.40
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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.