Finding the Fourth Proportional to 14,366,942.64, 19,826,844.66 and 8,171,830.18
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Solution
The fourth proportional to 14,366,942.64, 19,826,844.66 and 8,171,830.18 is: 11,277,389.46
Step by Step Solution
- Step 1: Write the proportion equation
14,366,942.64 : 19,826,844.66 = 8,171,830.18 : x - Step 2: Convert to fraction form
14,366,942.64/19,826,844.66 = 8,171,830.18/x - Step 3: Cross multiply
14,366,942.64x = 19,826,844.66 × 8,171,830.18 - Step 4: Simplify right side
14,366,942.64x = 162,021,607,566,759.84 - Step 5: Solve for x
x = 162,021,607,566,759.84/14,366,942.64 - Step 6: Final answer
x = 11,277,389.46
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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.