Finding the Fourth Proportional to 13,036,230.60, 19,554,248.70 and 3,938,310.60
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Solution
The fourth proportional to 13,036,230.60, 19,554,248.70 and 3,938,310.60 is: 5,907,436.54
Step by Step Solution
- Step 1: Write the proportion equation
13,036,230.60 : 19,554,248.70 = 3,938,310.60 : x - Step 2: Convert to fraction form
13,036,230.60/19,554,248.70 = 3,938,310.60/x - Step 3: Cross multiply
13,036,230.60x = 19,554,248.70 × 3,938,310.60 - Step 4: Simplify right side
13,036,230.60x = 77,010,704,930,246.22 - Step 5: Solve for x
x = 77,010,704,930,246.22/13,036,230.60 - Step 6: Final answer
x = 5,907,436.54
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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.