Finding the Fourth Proportional to 38,320,470.36, 52,874,354.88 and 22,019,797.08
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Solution
The fourth proportional to 38,320,470.36, 52,874,354.88 and 22,019,797.08 is: 30,382,783.78
Step by Step Solution
- Step 1: Write the proportion equation
38,320,470.36 : 52,874,354.88 = 22,019,797.08 : x - Step 2: Convert to fraction form
38,320,470.36/52,874,354.88 = 22,019,797.08/x - Step 3: Cross multiply
38,320,470.36x = 52,874,354.88 × 22,019,797.08 - Step 4: Simplify right side
38,320,470.36x = 1,164,282,565,193,507.75 - Step 5: Solve for x
x = 1,164,282,565,193,507.75/38,320,470.36 - Step 6: Final answer
x = 30,382,783.78
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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.