Finding the Fourth Proportional to 11,260,132.12, 15,538,566.04 and 6,103,382.96
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Solution
The fourth proportional to 11,260,132.12, 15,538,566.04 and 6,103,382.96 is: 8,422,442.84
Step by Step Solution
- Step 1: Write the proportion equation
11,260,132.12 : 15,538,566.04 = 6,103,382.96 : x - Step 2: Convert to fraction form
11,260,132.12/15,538,566.04 = 6,103,382.96/x - Step 3: Cross multiply
11,260,132.12x = 15,538,566.04 × 6,103,382.96 - Step 4: Simplify right side
11,260,132.12x = 94,837,819,191,370.67 - Step 5: Solve for x
x = 94,837,819,191,370.67/11,260,132.12 - Step 6: Final answer
x = 8,422,442.84
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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.