Finding the Fourth Proportional to 21,583,750.90, 32,374,877.55 and 5,409,843.70
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Solution
The fourth proportional to 21,583,750.90, 32,374,877.55 and 5,409,843.70 is: 8,114,577.87
Step by Step Solution
- Step 1: Write the proportion equation
21,583,750.90 : 32,374,877.55 = 5,409,843.70 : x - Step 2: Convert to fraction form
21,583,750.90/32,374,877.55 = 5,409,843.70/x - Step 3: Cross multiply
21,583,750.90x = 32,374,877.55 × 5,409,843.70 - Step 4: Simplify right side
21,583,750.90x = 175,143,027,352,138.94 - Step 5: Solve for x
x = 175,143,027,352,138.94/21,583,750.90 - Step 6: Final answer
x = 8,114,577.87
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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.