Finding the Fourth Proportional to 21,546,909.70, 32,336,110.95 and 15,169,617.70
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Solution
The fourth proportional to 21,546,909.70, 32,336,110.95 and 15,169,617.70 is: 22,765,512.45
Step by Step Solution
- Step 1: Write the proportion equation
21,546,909.70 : 32,336,110.95 = 15,169,617.70 : x - Step 2: Convert to fraction form
21,546,909.70/32,336,110.95 = 15,169,617.70/x - Step 3: Cross multiply
21,546,909.70x = 32,336,110.95 × 15,169,617.70 - Step 4: Simplify right side
21,546,909.70x = 490,526,441,016,283.75 - Step 5: Solve for x
x = 490,526,441,016,283.75/21,546,909.70 - Step 6: Final answer
x = 22,765,512.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.