Finding the Fourth Proportional to 11,101,326.24, 15,318,984.96 and 6,749,808.60
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Solution
The fourth proportional to 11,101,326.24, 15,318,984.96 and 6,749,808.60 is: 9,314,221.94
Step by Step Solution
- Step 1: Write the proportion equation
11,101,326.24 : 15,318,984.96 = 6,749,808.60 : x - Step 2: Convert to fraction form
11,101,326.24/15,318,984.96 = 6,749,808.60/x - Step 3: Cross multiply
11,101,326.24x = 15,318,984.96 × 6,749,808.60 - Step 4: Simplify right side
11,101,326.24x = 103,400,216,426,278.66 - Step 5: Solve for x
x = 103,400,216,426,278.66/11,101,326.24 - Step 6: Final answer
x = 9,314,221.94
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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.