Finding the Fourth Proportional to 10,462,029.70, 15,693,044.55 and 5,414,887.30
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Solution
The fourth proportional to 10,462,029.70, 15,693,044.55 and 5,414,887.30 is: 8,122,330.95
Step by Step Solution
- Step 1: Write the proportion equation
10,462,029.70 : 15,693,044.55 = 5,414,887.30 : x - Step 2: Convert to fraction form
10,462,029.70/15,693,044.55 = 5,414,887.30/x - Step 3: Cross multiply
10,462,029.70x = 15,693,044.55 × 5,414,887.30 - Step 4: Simplify right side
10,462,029.70x = 84,976,067,632,129.22 - Step 5: Solve for x
x = 84,976,067,632,129.22/10,462,029.70 - Step 6: Final answer
x = 8,122,330.95
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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.