Finding the Fourth Proportional to 11,716,441.20, 16,168,508.28 and 6,559,987.26
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Solution
The fourth proportional to 11,716,441.20, 16,168,508.28 and 6,559,987.26 is: 9,052,681.32
Step by Step Solution
- Step 1: Write the proportion equation
11,716,441.20 : 16,168,508.28 = 6,559,987.26 : x - Step 2: Convert to fraction form
11,716,441.20/16,168,508.28 = 6,559,987.26/x - Step 3: Cross multiply
11,716,441.20x = 16,168,508.28 × 6,559,987.26 - Step 4: Simplify right side
11,716,441.20x = 106,065,208,330,004.50 - Step 5: Solve for x
x = 106,065,208,330,004.50/11,716,441.20 - Step 6: Final answer
x = 9,052,681.32
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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.