Finding the Fourth Proportional to 20,148,079.62, 30,228,048.93 and 6,500,969.99
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Solution
The fourth proportional to 20,148,079.62, 30,228,048.93 and 6,500,969.99 is: 9,753,368.19
Step by Step Solution
- Step 1: Write the proportion equation
20,148,079.62 : 30,228,048.93 = 6,500,969.99 : x - Step 2: Convert to fraction form
20,148,079.62/30,228,048.93 = 6,500,969.99/x - Step 3: Cross multiply
20,148,079.62x = 30,228,048.93 × 6,500,969.99 - Step 4: Simplify right side
20,148,079.62x = 196,511,638,799,041.38 - Step 5: Solve for x
x = 196,511,638,799,041.38/20,148,079.62 - Step 6: Final answer
x = 9,753,368.19
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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.