Finding the Fourth Proportional to 11,191,191.99, 15,443,845.70 and 6,362,295.99
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Solution
The fourth proportional to 11,191,191.99, 15,443,845.70 and 6,362,295.99 is: 8,779,968.89
Step by Step Solution
- Step 1: Write the proportion equation
11,191,191.99 : 15,443,845.70 = 6,362,295.99 : x - Step 2: Convert to fraction form
11,191,191.99/15,443,845.70 = 6,362,295.99/x - Step 3: Cross multiply
11,191,191.99x = 15,443,845.70 × 6,362,295.99 - Step 4: Simplify right side
11,191,191.99x = 98,258,317,535,477.27 - Step 5: Solve for x
x = 98,258,317,535,477.27/11,191,191.99 - Step 6: Final answer
x = 8,779,968.89
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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.