Finding the Fourth Proportional to 28,026,050.97, 42,057,839.88 and 11,631,349.08
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Solution
The fourth proportional to 28,026,050.97, 42,057,839.88 and 11,631,349.08 is: 17,454,810.80
Step by Step Solution
- Step 1: Write the proportion equation
28,026,050.97 : 42,057,839.88 = 11,631,349.08 : x - Step 2: Convert to fraction form
28,026,050.97/42,057,839.88 = 11,631,349.08/x - Step 3: Cross multiply
28,026,050.97x = 42,057,839.88 × 11,631,349.08 - Step 4: Simplify right side
28,026,050.97x = 489,189,417,195,025.38 - Step 5: Solve for x
x = 489,189,417,195,025.38/28,026,050.97 - Step 6: Final answer
x = 17,454,810.80
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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.