Finding the Fourth Proportional to 7,783,919.64, 10,742,473.08 and 4,346,824.68
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Solution
The fourth proportional to 7,783,919.64, 10,742,473.08 and 4,346,824.68 is: 5,998,988.85
Step by Step Solution
- Step 1: Write the proportion equation
7,783,919.64 : 10,742,473.08 = 4,346,824.68 : x - Step 2: Convert to fraction form
7,783,919.64/10,742,473.08 = 4,346,824.68/x - Step 3: Cross multiply
7,783,919.64x = 10,742,473.08 × 4,346,824.68 - Step 4: Simplify right side
7,783,919.64x = 46,695,647,108,379.61 - Step 5: Solve for x
x = 46,695,647,108,379.61/7,783,919.64 - Step 6: Final answer
x = 5,998,988.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.