Finding the Fourth Proportional to 13,014,511.98, 19,521,669.68 and 3,916,570.38
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Solution
The fourth proportional to 13,014,511.98, 19,521,669.68 and 3,916,570.38 is: 5,874,825.99
Step by Step Solution
- Step 1: Write the proportion equation
13,014,511.98 : 19,521,669.68 = 3,916,570.38 : x - Step 2: Convert to fraction form
13,014,511.98/19,521,669.68 = 3,916,570.38/x - Step 3: Cross multiply
13,014,511.98x = 19,521,669.68 × 3,916,570.38 - Step 4: Simplify right side
13,014,511.98x = 76,457,993,236,832.08 - Step 5: Solve for x
x = 76,457,993,236,832.08/13,014,511.98 - Step 6: Final answer
x = 5,874,825.99
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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.