Finding the Fourth Proportional to 21,664,028, 29,896,358.96 and 12,006,858.08
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Solution
The fourth proportional to 21,664,028, 29,896,358.96 and 12,006,858.08 is: 16,569,464.33
Step by Step Solution
- Step 1: Write the proportion equation
21,664,028 : 29,896,358.96 = 12,006,858.08 : x - Step 2: Convert to fraction form
21,664,028/29,896,358.96 = 12,006,858.08/x - Step 3: Cross multiply
21,664,028x = 29,896,358.96 × 12,006,858.08 - Step 4: Simplify right side
21,664,028x = 358,961,339,141,456.44 - Step 5: Solve for x
x = 358,961,339,141,456.44/21,664,028 - Step 6: Final answer
x = 16,569,464.33
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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.