Finding the Fourth Proportional to 34,617,987.12, 47,769,616.32 and 19,147,738.80
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Solution
The fourth proportional to 34,617,987.12, 47,769,616.32 and 19,147,738.80 is: 26,422,106.31
Step by Step Solution
- Step 1: Write the proportion equation
34,617,987.12 : 47,769,616.32 = 19,147,738.80 : x - Step 2: Convert to fraction form
34,617,987.12/47,769,616.32 = 19,147,738.80/x - Step 3: Cross multiply
34,617,987.12x = 47,769,616.32 × 19,147,738.80 - Step 4: Simplify right side
34,617,987.12x = 914,680,135,871,577.25 - Step 5: Solve for x
x = 914,680,135,871,577.25/34,617,987.12 - Step 6: Final answer
x = 26,422,106.31
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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.