Finding the Fourth Proportional to 19,651,846.90, 29,480,526.56 and 6,869,444.26
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Solution
The fourth proportional to 19,651,846.90, 29,480,526.56 and 6,869,444.26 is: 10,305,129.84
Step by Step Solution
- Step 1: Write the proportion equation
19,651,846.90 : 29,480,526.56 = 6,869,444.26 : x - Step 2: Convert to fraction form
19,651,846.90/29,480,526.56 = 6,869,444.26/x - Step 3: Cross multiply
19,651,846.90x = 29,480,526.56 × 6,869,444.26 - Step 4: Simplify right side
19,651,846.90x = 202,514,833,959,369.53 - Step 5: Solve for x
x = 202,514,833,959,369.53/19,651,846.90 - Step 6: Final answer
x = 10,305,129.84
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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.