Finding the Fourth Proportional to 19,653,872.90, 29,480,809.35 and 6,873,044.90
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Solution
The fourth proportional to 19,653,872.90, 29,480,809.35 and 6,873,044.90 is: 10,309,567.35
Step by Step Solution
- Step 1: Write the proportion equation
19,653,872.90 : 29,480,809.35 = 6,873,044.90 : x - Step 2: Convert to fraction form
19,653,872.90/29,480,809.35 = 6,873,044.90/x - Step 3: Cross multiply
19,653,872.90x = 29,480,809.35 × 6,873,044.90 - Step 4: Simplify right side
19,653,872.90x = 202,622,926,350,889.84 - Step 5: Solve for x
x = 202,622,926,350,889.84/19,653,872.90 - Step 6: Final answer
x = 10,309,567.35
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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.