Finding the Fourth Proportional to 35,449,529.78, 48,920,564.35 and 19,769,544.18
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Solution
The fourth proportional to 35,449,529.78, 48,920,564.35 and 19,769,544.18 is: 27,282,089.90
Step by Step Solution
- Step 1: Write the proportion equation
35,449,529.78 : 48,920,564.35 = 19,769,544.18 : x - Step 2: Convert to fraction form
35,449,529.78/48,920,564.35 = 19,769,544.18/x - Step 3: Cross multiply
35,449,529.78x = 48,920,564.35 × 19,769,544.18 - Step 4: Simplify right side
35,449,529.78x = 967,137,258,375,577.88 - Step 5: Solve for x
x = 967,137,258,375,577.88/35,449,529.78 - Step 6: Final answer
x = 27,282,089.90
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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.