Finding the Fourth Proportional to 7,913,554.16, 11,870,312.44 and 5,198,241.20
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Solution
The fourth proportional to 7,913,554.16, 11,870,312.44 and 5,198,241.20 is: 7,797,349.45
Step by Step Solution
- Step 1: Write the proportion equation
7,913,554.16 : 11,870,312.44 = 5,198,241.20 : x - Step 2: Convert to fraction form
7,913,554.16/11,870,312.44 = 5,198,241.20/x - Step 3: Cross multiply
7,913,554.16x = 11,870,312.44 × 5,198,241.20 - Step 4: Simplify right side
7,913,554.16x = 61,704,747,182,480.53 - Step 5: Solve for x
x = 61,704,747,182,480.53/7,913,554.16 - Step 6: Final answer
x = 7,797,349.45
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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.