Finding the Fourth Proportional to 19,821,202.80, 29,731,804.20 and 14,782,354.80
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Solution
The fourth proportional to 19,821,202.80, 29,731,804.20 and 14,782,354.80 is: 22,173,532.20
Step by Step Solution
- Step 1: Write the proportion equation
19,821,202.80 : 29,731,804.20 = 14,782,354.80 : x - Step 2: Convert to fraction form
19,821,202.80/29,731,804.20 = 14,782,354.80/x - Step 3: Cross multiply
19,821,202.80x = 29,731,804.20 × 14,782,354.80 - Step 4: Simplify right side
19,821,202.80x = 439,506,078,528,530.19 - Step 5: Solve for x
x = 439,506,078,528,530.19/19,821,202.80 - Step 6: Final answer
x = 22,173,532.20
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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.