Finding the Fourth Proportional to 8,508,898.39, 11,742,354.71 and 4,641,436.75
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Solution
The fourth proportional to 8,508,898.39, 11,742,354.71 and 4,641,436.75 is: 6,405,223.59
Step by Step Solution
- Step 1: Write the proportion equation
8,508,898.39 : 11,742,354.71 = 4,641,436.75 : x - Step 2: Convert to fraction form
8,508,898.39/11,742,354.71 = 4,641,436.75/x - Step 3: Cross multiply
8,508,898.39x = 11,742,354.71 × 4,641,436.75 - Step 4: Simplify right side
8,508,898.39x = 54,501,396,635,421.41 - Step 5: Solve for x
x = 54,501,396,635,421.41/8,508,898.39 - Step 6: Final answer
x = 6,405,223.59
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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.