Finding the Fourth Proportional to 8,508,900.26, 11,742,357.30 and 4,641,438.62
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Solution
The fourth proportional to 8,508,900.26, 11,742,357.30 and 4,641,438.62 is: 6,405,226.17
Step by Step Solution
- Step 1: Write the proportion equation
8,508,900.26 : 11,742,357.30 = 4,641,438.62 : x - Step 2: Convert to fraction form
8,508,900.26/11,742,357.30 = 4,641,438.62/x - Step 3: Cross multiply
8,508,900.26x = 11,742,357.30 × 4,641,438.62 - Step 4: Simplify right side
8,508,900.26x = 54,501,430,662,058.93 - Step 5: Solve for x
x = 54,501,430,662,058.93/8,508,900.26 - Step 6: Final answer
x = 6,405,226.17
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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.