Finding the Fourth Proportional to 19,567,997.18, 29,347,145.76 and 6,613,860.23
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Solution
The fourth proportional to 19,567,997.18, 29,347,145.76 and 6,613,860.23 is: 9,919,151.07
Step by Step Solution
- Step 1: Write the proportion equation
19,567,997.18 : 29,347,145.76 = 6,613,860.23 : x - Step 2: Convert to fraction form
19,567,997.18/29,347,145.76 = 6,613,860.23/x - Step 3: Cross multiply
19,567,997.18x = 29,347,145.76 × 6,613,860.23 - Step 4: Simplify right side
19,567,997.18x = 194,097,920,206,077.16 - Step 5: Solve for x
x = 194,097,920,206,077.16/19,567,997.18 - Step 6: Final answer
x = 9,919,151.07
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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.