Finding the Fourth Proportional to 11,566,251.90, 15,961,520.07 and 6,409,699.02
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Solution
The fourth proportional to 11,566,251.90, 15,961,520.07 and 6,409,699.02 is: 8,845,435.88
Step by Step Solution
- Step 1: Write the proportion equation
11,566,251.90 : 15,961,520.07 = 6,409,699.02 : x - Step 2: Convert to fraction form
11,566,251.90/15,961,520.07 = 6,409,699.02/x - Step 3: Cross multiply
11,566,251.90x = 15,961,520.07 × 6,409,699.02 - Step 4: Simplify right side
11,566,251.90x = 102,308,539,550,389.33 - Step 5: Solve for x
x = 102,308,539,550,389.33/11,566,251.90 - Step 6: Final answer
x = 8,845,435.88
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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.