Finding the Fourth Proportional to 11,248,969.93, 16,879,597.59 and 4,771,037.63
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Solution
The fourth proportional to 11,248,969.93, 16,879,597.59 and 4,771,037.63 is: 7,159,161.75
Step by Step Solution
- Step 1: Write the proportion equation
11,248,969.93 : 16,879,597.59 = 4,771,037.63 : x - Step 2: Convert to fraction form
11,248,969.93/16,879,597.59 = 4,771,037.63/x - Step 3: Cross multiply
11,248,969.93x = 16,879,597.59 × 4,771,037.63 - Step 4: Simplify right side
11,248,969.93x = 80,533,195,281,147.31 - Step 5: Solve for x
x = 80,533,195,281,147.31/11,248,969.93 - Step 6: Final answer
x = 7,159,161.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.