Finding the Fourth Proportional to 7,412,036.44, 11,119,971.48 and 4,340,621.20
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Solution
The fourth proportional to 7,412,036.44, 11,119,971.48 and 4,340,621.20 is: 6,512,054.32
Step by Step Solution
- Step 1: Write the proportion equation
7,412,036.44 : 11,119,971.48 = 4,340,621.20 : x - Step 2: Convert to fraction form
7,412,036.44/11,119,971.48 = 4,340,621.20/x - Step 3: Cross multiply
7,412,036.44x = 11,119,971.48 × 4,340,621.20 - Step 4: Simplify right side
7,412,036.44x = 48,267,583,949,483.38 - Step 5: Solve for x
x = 48,267,583,949,483.38/7,412,036.44 - Step 6: Final answer
x = 6,512,054.32
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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.