Finding the Fourth Proportional to 17,838,015.20, 26,757,022.80 and 4,374,843.20
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Solution
The fourth proportional to 17,838,015.20, 26,757,022.80 and 4,374,843.20 is: 6,562,264.80
Step by Step Solution
- Step 1: Write the proportion equation
17,838,015.20 : 26,757,022.80 = 4,374,843.20 : x - Step 2: Convert to fraction form
17,838,015.20/26,757,022.80 = 4,374,843.20/x - Step 3: Cross multiply
17,838,015.20x = 26,757,022.80 × 4,374,843.20 - Step 4: Simplify right side
17,838,015.20x = 117,057,779,248,824.97 - Step 5: Solve for x
x = 117,057,779,248,824.97/17,838,015.20 - Step 6: Final answer
x = 6,562,264.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.