Finding the Fourth Proportional to 28,135,341.25, 42,202,224.55 and 8,967,248.53
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Solution
The fourth proportional to 28,135,341.25, 42,202,224.55 and 8,967,248.53 is: 13,450,621.86
Step by Step Solution
- Step 1: Write the proportion equation
28,135,341.25 : 42,202,224.55 = 8,967,248.53 : x - Step 2: Convert to fraction form
28,135,341.25/42,202,224.55 = 8,967,248.53/x - Step 3: Cross multiply
28,135,341.25x = 42,202,224.55 × 8,967,248.53 - Step 4: Simplify right side
28,135,341.25x = 378,437,836,058,717.38 - Step 5: Solve for x
x = 378,437,836,058,717.38/28,135,341.25 - Step 6: Final answer
x = 13,450,621.86
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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.