Finding the Fourth Proportional to 10,868,973.05, 14,999,220.97 and 5,974,620.14
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Solution
The fourth proportional to 10,868,973.05, 14,999,220.97 and 5,974,620.14 is: 8,244,996.77
Step by Step Solution
- Step 1: Write the proportion equation
10,868,973.05 : 14,999,220.97 = 5,974,620.14 : x - Step 2: Convert to fraction form
10,868,973.05/14,999,220.97 = 5,974,620.14/x - Step 3: Cross multiply
10,868,973.05x = 14,999,220.97 × 5,974,620.14 - Step 4: Simplify right side
10,868,973.05x = 89,614,647,714,233.83 - Step 5: Solve for x
x = 89,614,647,714,233.83/10,868,973.05 - Step 6: Final answer
x = 8,244,996.77
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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.