Finding the Fourth Proportional to 13,959,046.40, 20,939,225.70 and 4,374,737.60
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Solution
The fourth proportional to 13,959,046.40, 20,939,225.70 and 4,374,737.60 is: 6,562,312.02
Step by Step Solution
- Step 1: Write the proportion equation
13,959,046.40 : 20,939,225.70 = 4,374,737.60 : x - Step 2: Convert to fraction form
13,959,046.40/20,939,225.70 = 4,374,737.60/x - Step 3: Cross multiply
13,959,046.40x = 20,939,225.70 × 4,374,737.60 - Step 4: Simplify right side
13,959,046.40x = 91,603,617,984,676.31 - Step 5: Solve for x
x = 91,603,617,984,676.31/13,959,046.40 - Step 6: Final answer
x = 6,562,312.02
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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.