Finding the Fourth Proportional to 37,072,783.62, 51,158,934.99 and 20,553,147.90
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Solution
The fourth proportional to 37,072,783.62, 51,158,934.99 and 20,553,147.90 is: 28,362,508.95
Step by Step Solution
- Step 1: Write the proportion equation
37,072,783.62 : 51,158,934.99 = 20,553,147.90 : x - Step 2: Convert to fraction form
37,072,783.62/51,158,934.99 = 20,553,147.90/x - Step 3: Cross multiply
37,072,783.62x = 51,158,934.99 × 20,553,147.90 - Step 4: Simplify right side
37,072,783.62x = 1,051,477,157,255,955 - Step 5: Solve for x
x = 1,051,477,157,255,955/37,072,783.62 - Step 6: Final answer
x = 28,362,508.95
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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.