Finding the Fourth Proportional to 10,887,621.48, 16,332,449.58 and 3,211,273.80
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Solution
The fourth proportional to 10,887,621.48, 16,332,449.58 and 3,211,273.80 is: 4,817,210.77
Step by Step Solution
- Step 1: Write the proportion equation
10,887,621.48 : 16,332,449.58 = 3,211,273.80 : x - Step 2: Convert to fraction form
10,887,621.48/16,332,449.58 = 3,211,273.80/x - Step 3: Cross multiply
10,887,621.48x = 16,332,449.58 × 3,211,273.80 - Step 4: Simplify right side
10,887,621.48x = 52,447,967,426,075 - Step 5: Solve for x
x = 52,447,967,426,075/10,887,621.48 - Step 6: Final answer
x = 4,817,210.77
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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.