Finding the Fourth Proportional to 28,092,915.74, 42,110,640.54 and 14,234,201.57
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Solution
The fourth proportional to 28,092,915.74, 42,110,640.54 and 14,234,201.57 is: 21,336,743.79
Step by Step Solution
- Step 1: Write the proportion equation
28,092,915.74 : 42,110,640.54 = 14,234,201.57 : x - Step 2: Convert to fraction form
28,092,915.74/42,110,640.54 = 14,234,201.57/x - Step 3: Cross multiply
28,092,915.74x = 42,110,640.54 × 14,234,201.57 - Step 4: Simplify right side
28,092,915.74x = 599,411,345,477,620.38 - Step 5: Solve for x
x = 599,411,345,477,620.38/28,092,915.74 - Step 6: Final answer
x = 21,336,743.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.