Finding the Fourth Proportional to 10,391,689.25, 14,340,283.36 and 5,808,437.09
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Solution
The fourth proportional to 10,391,689.25, 14,340,283.36 and 5,808,437.09 is: 8,015,504.67
Step by Step Solution
- Step 1: Write the proportion equation
10,391,689.25 : 14,340,283.36 = 5,808,437.09 : x - Step 2: Convert to fraction form
10,391,689.25/14,340,283.36 = 5,808,437.09/x - Step 3: Cross multiply
10,391,689.25x = 14,340,283.36 × 5,808,437.09 - Step 4: Simplify right side
10,391,689.25x = 83,294,633,749,333.81 - Step 5: Solve for x
x = 83,294,633,749,333.81/10,391,689.25 - Step 6: Final answer
x = 8,015,504.67
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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.