Finding the Fourth Proportional to 39,038,486.09, 53,805,867.11 and 25,962,380.28
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Solution
The fourth proportional to 39,038,486.09, 53,805,867.11 and 25,962,380.28 is: 35,783,364.65
Step by Step Solution
- Step 1: Write the proportion equation
39,038,486.09 : 53,805,867.11 = 25,962,380.28 : x - Step 2: Convert to fraction form
39,038,486.09/53,805,867.11 = 25,962,380.28/x - Step 3: Cross multiply
39,038,486.09x = 53,805,867.11 × 25,962,380.28 - Step 4: Simplify right side
39,038,486.09x = 1,396,928,383,075,152.75 - Step 5: Solve for x
x = 1,396,928,383,075,152.75/39,038,486.09 - Step 6: Final answer
x = 35,783,364.65
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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.