Finding the Fourth Proportional to 10,775,642.96, 14,870,734.26 and 6,129,308.90
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Solution
The fourth proportional to 10,775,642.96, 14,870,734.26 and 6,129,308.90 is: 8,458,643.65
Step by Step Solution
- Step 1: Write the proportion equation
10,775,642.96 : 14,870,734.26 = 6,129,308.90 : x - Step 2: Convert to fraction form
10,775,642.96/14,870,734.26 = 6,129,308.90/x - Step 3: Cross multiply
10,775,642.96x = 14,870,734.26 × 6,129,308.90 - Step 4: Simplify right side
10,775,642.96x = 91,147,323,849,352.92 - Step 5: Solve for x
x = 91,147,323,849,352.92/10,775,642.96 - Step 6: Final answer
x = 8,458,643.65
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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.