Finding the Fourth Proportional to 13,318,603.44, 19,977,914.88 and 3,221,234.16
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Solution
The fourth proportional to 13,318,603.44, 19,977,914.88 and 3,221,234.16 is: 4,831,853.59
Step by Step Solution
- Step 1: Write the proportion equation
13,318,603.44 : 19,977,914.88 = 3,221,234.16 : x - Step 2: Convert to fraction form
13,318,603.44/19,977,914.88 = 3,221,234.16/x - Step 3: Cross multiply
13,318,603.44x = 19,977,914.88 × 3,221,234.16 - Step 4: Simplify right side
13,318,603.44x = 64,353,541,857,028.30 - Step 5: Solve for x
x = 64,353,541,857,028.30/13,318,603.44 - Step 6: Final answer
x = 4,831,853.59
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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.