Finding the Fourth Proportional to 10,866,429.99, 14,995,744.65 and 5,972,055.21
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Solution
The fourth proportional to 10,866,429.99, 14,995,744.65 and 5,972,055.21 is: 8,241,475.36
Step by Step Solution
- Step 1: Write the proportion equation
10,866,429.99 : 14,995,744.65 = 5,972,055.21 : x - Step 2: Convert to fraction form
10,866,429.99/14,995,744.65 = 5,972,055.21/x - Step 3: Cross multiply
10,866,429.99x = 14,995,744.65 × 5,972,055.21 - Step 4: Simplify right side
10,866,429.99x = 89,555,414,964,862.12 - Step 5: Solve for x
x = 89,555,414,964,862.12/10,866,429.99 - Step 6: Final answer
x = 8,241,475.36
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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.