Finding the Fourth Proportional to 19,380,328.20, 29,074,428.90 and 6,602,124.60
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Solution
The fourth proportional to 19,380,328.20, 29,074,428.90 and 6,602,124.60 is: 9,904,527.95
Step by Step Solution
- Step 1: Write the proportion equation
19,380,328.20 : 29,074,428.90 = 6,602,124.60 : x - Step 2: Convert to fraction form
19,380,328.20/29,074,428.90 = 6,602,124.60/x - Step 3: Cross multiply
19,380,328.20x = 29,074,428.90 × 6,602,124.60 - Step 4: Simplify right side
19,380,328.20x = 191,953,002,271,640.91 - Step 5: Solve for x
x = 191,953,002,271,640.91/19,380,328.20 - Step 6: Final answer
x = 9,904,527.95
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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.