Finding the Fourth Proportional to 13,329,396.92, 19,994,281.28 and 4,693,775.92
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Solution
The fourth proportional to 13,329,396.92, 19,994,281.28 and 4,693,775.92 is: 7,040,729.34
Step by Step Solution
- Step 1: Write the proportion equation
13,329,396.92 : 19,994,281.28 = 4,693,775.92 : x - Step 2: Convert to fraction form
13,329,396.92/19,994,281.28 = 4,693,775.92/x - Step 3: Cross multiply
13,329,396.92x = 19,994,281.28 × 4,693,775.92 - Step 4: Simplify right side
13,329,396.92x = 93,848,676,009,770.78 - Step 5: Solve for x
x = 93,848,676,009,770.78/13,329,396.92 - Step 6: Final answer
x = 7,040,729.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.