Finding the Fourth Proportional to 37,258,907.99, 51,417,874.68 and 20,739,212.13
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Solution
The fourth proportional to 37,258,907.99, 51,417,874.68 and 20,739,212.13 is: 28,620,436.50
Step by Step Solution
- Step 1: Write the proportion equation
37,258,907.99 : 51,417,874.68 = 20,739,212.13 : x - Step 2: Convert to fraction form
37,258,907.99/51,417,874.68 = 20,739,212.13/x - Step 3: Cross multiply
37,258,907.99x = 51,417,874.68 × 20,739,212.13 - Step 4: Simplify right side
37,258,907.99x = 1,066,366,210,232,682.38 - Step 5: Solve for x
x = 1,066,366,210,232,682.38/37,258,907.99 - Step 6: Final answer
x = 28,620,436.50
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1.5x scale
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.