Finding the Fourth Proportional to 7,346,056.80, 11,019,193.59 and 2,797,360.12
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Solution
The fourth proportional to 7,346,056.80, 11,019,193.59 and 2,797,360.12 is: 4,196,081.45
Step by Step Solution
- Step 1: Write the proportion equation
7,346,056.80 : 11,019,193.59 = 2,797,360.12 : x - Step 2: Convert to fraction form
7,346,056.80/11,019,193.59 = 2,797,360.12/x - Step 3: Cross multiply
7,346,056.80x = 11,019,193.59 × 2,797,360.12 - Step 4: Simplify right side
7,346,056.80x = 30,824,652,634,142.87 - Step 5: Solve for x
x = 30,824,652,634,142.87/7,346,056.80 - Step 6: Final answer
x = 4,196,081.45
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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.