Finding the Fourth Proportional to 19,584,028.80, 29,355,825.60 and 8,806,492.80
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Solution
The fourth proportional to 19,584,028.80, 29,355,825.60 and 8,806,492.80 is: 13,200,647.80
Step by Step Solution
- Step 1: Write the proportion equation
19,584,028.80 : 29,355,825.60 = 8,806,492.80 : x - Step 2: Convert to fraction form
19,584,028.80/29,355,825.60 = 8,806,492.80/x - Step 3: Cross multiply
19,584,028.80x = 29,355,825.60 × 8,806,492.80 - Step 4: Simplify right side
19,584,028.80x = 258,521,866,784,455.72 - Step 5: Solve for x
x = 258,521,866,784,455.72/19,584,028.80 - Step 6: Final answer
x = 13,200,647.80
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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.