Finding the Fourth Proportional to 19,440,120.30, 29,160,180.45 and 6,656,376.30
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Solution
The fourth proportional to 19,440,120.30, 29,160,180.45 and 6,656,376.30 is: 9,984,564.45
Step by Step Solution
- Step 1: Write the proportion equation
19,440,120.30 : 29,160,180.45 = 6,656,376.30 : x - Step 2: Convert to fraction form
19,440,120.30/29,160,180.45 = 6,656,376.30/x - Step 3: Cross multiply
19,440,120.30x = 29,160,180.45 × 6,656,376.30 - Step 4: Simplify right side
19,440,120.30x = 194,101,134,051,103.31 - Step 5: Solve for x
x = 194,101,134,051,103.31/19,440,120.30 - Step 6: Final answer
x = 9,984,564.45
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Similar ratio
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1.5x scale
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.