Finding the Fourth Proportional to 7,334,163.12, 10,994,509.38 and 2,538,498.60
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Solution
The fourth proportional to 7,334,163.12, 10,994,509.38 and 2,538,498.60 is: 3,805,416.68
Step by Step Solution
- Step 1: Write the proportion equation
7,334,163.12 : 10,994,509.38 = 2,538,498.60 : x - Step 2: Convert to fraction form
7,334,163.12/10,994,509.38 = 2,538,498.60/x - Step 3: Cross multiply
7,334,163.12x = 10,994,509.38 × 2,538,498.60 - Step 4: Simplify right side
7,334,163.12x = 27,909,546,668,816.87 - Step 5: Solve for x
x = 27,909,546,668,816.87/7,334,163.12 - Step 6: Final answer
x = 3,805,416.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.