Finding the Fourth Proportional to 9,609,494.91, 13,275,506.84 and 6,309,618.09
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Solution
The fourth proportional to 9,609,494.91, 13,275,506.84 and 6,309,618.09 is: 8,716,730.58
Step by Step Solution
- Step 1: Write the proportion equation
9,609,494.91 : 13,275,506.84 = 6,309,618.09 : x - Step 2: Convert to fraction form
9,609,494.91/13,275,506.84 = 6,309,618.09/x - Step 3: Cross multiply
9,609,494.91x = 13,275,506.84 × 6,309,618.09 - Step 4: Simplify right side
9,609,494.91x = 83,763,378,111,582.73 - Step 5: Solve for x
x = 83,763,378,111,582.73/9,609,494.91 - Step 6: Final answer
x = 8,716,730.58
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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.