Finding the Fourth Proportional to 11,028,283.48, 15,218,895.90 and 6,199,387.48
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Solution
The fourth proportional to 11,028,283.48, 15,218,895.90 and 6,199,387.48 is: 8,555,078.66
Step by Step Solution
- Step 1: Write the proportion equation
11,028,283.48 : 15,218,895.90 = 6,199,387.48 : x - Step 2: Convert to fraction form
11,028,283.48/15,218,895.90 = 6,199,387.48/x - Step 3: Cross multiply
11,028,283.48x = 15,218,895.90 × 6,199,387.48 - Step 4: Simplify right side
11,028,283.48x = 94,347,832,701,883.34 - Step 5: Solve for x
x = 94,347,832,701,883.34/11,028,283.48 - Step 6: Final answer
x = 8,555,078.66
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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.