Finding the Fourth Proportional to 11,263,779.90, 15,543,922.41 and 6,369,962.94
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Solution
The fourth proportional to 11,263,779.90, 15,543,922.41 and 6,369,962.94 is: 8,790,495.78
Step by Step Solution
- Step 1: Write the proportion equation
11,263,779.90 : 15,543,922.41 = 6,369,962.94 : x - Step 2: Convert to fraction form
11,263,779.90/15,543,922.41 = 6,369,962.94/x - Step 3: Cross multiply
11,263,779.90x = 15,543,922.41 × 6,369,962.94 - Step 4: Simplify right side
11,263,779.90x = 99,014,209,693,935.50 - Step 5: Solve for x
x = 99,014,209,693,935.50/11,263,779.90 - Step 6: Final answer
x = 8,790,495.78
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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.