Finding the Fourth Proportional to 14,042,696.67, 19,378,993.05 and 7,847,846.87
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Solution
The fourth proportional to 14,042,696.67, 19,378,993.05 and 7,847,846.87 is: 10,830,068.71
Step by Step Solution
- Step 1: Write the proportion equation
14,042,696.67 : 19,378,993.05 = 7,847,846.87 : x - Step 2: Convert to fraction form
14,042,696.67/19,378,993.05 = 7,847,846.87/x - Step 3: Cross multiply
14,042,696.67x = 19,378,993.05 × 7,847,846.87 - Step 4: Simplify right side
14,042,696.67x = 152,083,369,854,299.31 - Step 5: Solve for x
x = 152,083,369,854,299.31/14,042,696.67 - Step 6: Final answer
x = 10,830,068.71
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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.