Finding the Fourth Proportional to 14,381,940.36, 19,846,959.75 and 7,855,573.98
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Solution
The fourth proportional to 14,381,940.36, 19,846,959.75 and 7,855,573.98 is: 10,840,627.67
Step by Step Solution
- Step 1: Write the proportion equation
14,381,940.36 : 19,846,959.75 = 7,855,573.98 : x - Step 2: Convert to fraction form
14,381,940.36/19,846,959.75 = 7,855,573.98/x - Step 3: Cross multiply
14,381,940.36x = 19,846,959.75 × 7,855,573.98 - Step 4: Simplify right side
14,381,940.36x = 155,909,260,594,207.31 - Step 5: Solve for x
x = 155,909,260,594,207.31/14,381,940.36 - Step 6: Final answer
x = 10,840,627.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.